All filters off — toggle a chip or lower the importance slider to see nodes.
Top hubs · by degree
Legend
concept
claim
result
method
entity
MAP
Interactive version —
how to use this graph
✓
fast mental map
Click ▶ Guided tour for a 60-second walk through the editor's pick. Or hover any node to focus; click for source; ★ nodes you want to come back to; ⌘+click two nodes to compare.
✓
share a specific view
Select any node, copy URL — the link encodes selection, zoom, and filters. Save it as a named view (⌘ views). Annotations save locally per paper. </> embed generates an iframe.
✗
not a citable source
Do not quote the graph as an authority. Edge labels and importance scores are interpretive judgments by the generating agent. Any claim worth citing must be traced back to the original paper.
reliability noteHeadline structure and importance-5 nodes are stable across runs. Mid-tier nodes (importance 2–3) and edge type distinctions are interpretive and may differ between runs. Click any node to see its source citation — nodes marked "training memory" or "inferred" were not directly verified against the source document.
LOOMUS™ and the Knowledge-Loom methodology are proprietary. Visual system is original to LOOMUS.
Knowledge Graph: Competitive Strategy (Michael E. Porter, 1980)
Editorial spotlight: ↑ the structural determinant — profitability flows from industry forces, not firm merit
Concepts
Porter's Five Forces framework (importance 5): The structural analysis model: industry profitability determined by five competitive forces rather than firm-level factors. Central analytical tool of the book.. Source: (from training memory of book — Chapter 1).
Porter's structural analysis (importance 5): The method of examining industry structure to predict long-run profitability. Strategy as science, not art.. Source: (from training memory of book — Chapter 1).
Porter's three generic strategies (importance 5): Overall cost leadership, differentiation, and focus. The exhaustive set of defensible positions. Stuck in the middle is recipe for below-average performance.. Source: (from training memory of book — Chapter 2).
Porter's value chain (importance 5): Disaggregating firm into strategically relevant activities to understand cost behavior and sources of differentiation. Primary and support activities.. Source: (from training memory of book — Chapter 2).
Porter's competitive advantage (importance 5): Sustained superior performance arising from either lower cost or differentiation. Must be sustainable against forces and defendable against imitation.. Source: (from training memory of book — Chapter 2).
Porter's rivalry among existing competitors (importance 4): Force #1: Jockeying for position through price, advertising, product introduction. Intensity depends on concentration, growth rate, cost structure.. Source: (from training memory of book — Chapter 1).
Porter's threat of new entrants (importance 4): Force #2: Potential competitors limited by entry barriers. New entrants bring new capacity and desire for market share.. Source: (from training memory of book — Chapter 1).
Porter's threat of substitute products (importance 4): Force #3: Products in other industries that can perform same function. Limit profit potential by placing ceiling on prices.. Source: (from training memory of book — Chapter 1).
Porter's bargaining power of buyers (importance 4): Force #4: Customers force down prices, demand higher quality or more service. Powerful when concentrated or purchase large volumes.. Source: (from training memory of book — Chapter 1).
Porter's bargaining power of suppliers (importance 4): Force #5: Suppliers raise prices or reduce quality. Powerful when dominated by few companies and selling unique or differentiated products.. Source: (from training memory of book — Chapter 1).
Porter's strategic positioning (importance 4): Firm's choice of competitive approach and scope within industry. Sustainable position vis-à-vis five forces. Foundation of competitive advantage.. Source: (from training memory of book — Chapter 2).
Porter's industry attractiveness (importance 4): Long-run profit potential determined by five forces. Some industries structurally more attractive than others. Choose industries carefully.. Source: (from training memory of book — Chapter 1).
Porter's sustainability conditions (importance 4): Advantage sustainable when source cannot be imitated. Based on multiple sources, proprietary learning, asset stocks, first-mover advantages.. Source: (from training memory of book — Chapter 2).
Porter's relative position principle (importance 4): Within industry, profitability varies by how firm is positioned relative to five forces. Better positioned firms earn superior returns.. Source: (from training memory of book — Chapter 1).
Porter's strategic group (importance 3): Cluster of firms following similar strategies along strategic dimensions. Useful intermediate frame between industry and firm analysis.. Source: (from training memory of book — Chapter 7).
Porter's mobility barriers (importance 3): Factors protecting strategic groups from entry by other firms. Like entry barriers but apply to movement between groups within industry.. Source: (from training memory of book — Chapter 7).
Porter's economies of scale barrier (importance 3): Decline in unit costs as absolute volume per period increases. Major entry barrier forcing entrant to come in at large scale or accept cost disadvantage.. Source: (from training memory of book — Chapter 1).
Porter's product differentiation barrier (importance 3): Incumbent firms have brand identification and customer loyalty. Entrant must spend heavily to overcome. Creates entry barrier.. Source: (from training memory of book — Chapter 1).
Porter's switching costs (importance 3): One-time costs facing buyer when switching from one supplier to another. Include retraining, new equipment, redesign, psychic costs of severing relationship.. Source: (from training memory of book — Chapter 1).
Porter's absolute cost advantages (importance 3): Incumbent firms possess cost advantages independent of size: proprietary technology, favorable access to raw materials, favorable locations, learning curve, government subsidies.. Source: (from training memory of book — Chapter 1).
Porter's buyer price sensitivity (importance 3): Substitute products place upper limit on prices through price-performance tradeoff. Tighter limit when substitutes improving or produced by industries earning high profits.. Source: (from training memory of book — Chapter 1).
Porter's industry growth rate (importance 3): Slow growth makes rivalry more intense as firms fight for market share. Fast growth allows all to improve results without stealing share.. Source: (from training memory of book — Chapter 1).
Porter's exit barriers (importance 3): Economic, strategic, emotional factors keeping firms competing despite low or negative returns. Specialized assets, fixed costs, strategic interrelationships, emotional barriers.. Source: (from training memory of book — Chapter 12).
Porter's fragmented industry (importance 3): No firm has significant market share or strongly influence outcome. Many small and medium-sized firms. Common pattern with specific causes.. Source: (from training memory of book — Chapter 9).
Porter's emerging industry (importance 3): Newly formed or reformed industry created by technological innovation, changes in cost relationships, new consumer needs. Absence of established rules.. Source: (from training memory of book — Chapter 10).
Porter's declining industry (importance 3): Industry in terminal decline facing absolute fall in unit sales over sustained period. Requires different strategic logic than mature or growing industries.. Source: (from training memory of book — Chapter 12).
Porter's global industry (importance 3): Industry where competitive position in one country significantly affected by position in other countries. Requires coordinated worldwide strategy.. Source: (from training memory of book — Chapter 13).
Porter's vertical integration decision (importance 3): Degree to which firm owns its upstream suppliers and downstream buyers. Strategic benefits and costs depend on industry structure and firm position.. Source: (from training memory of book — Chapter 14).
Porter's industry evolution (importance 3): Predictable changes in industry structure over time driven by processes: long-run growth, buyer learning, diffusion of knowledge, scale changes, cost changes.. Source: (from training memory of book — Chapter 8).
Porter's technological change impact (importance 3): Technology affects competitive advantage through impact on cost or differentiation. Not all technical change is strategically beneficial.. Source: (from training memory of book — Chapter 8).
Porter's competitive dynamics (importance 3): Move and countermove among competitors over time. Pattern of rivalry depends on number of competitors, their similarity, market conditions.. Source: (from training memory of book — Chapter 4).
Porter's relative power concept (importance 3): Buyer and supplier power measured relative to industry. Same buyer has different power in different industries based on alternatives and switching costs.. Source: (from training memory of book — Chapter 1).
Porter's value activities (importance 3): Physically and technologically distinct activities firm performs. Building blocks of competitive advantage. Nine generic categories.. Source: (from training memory of book — Chapter 2).
Porter's cost drivers (importance 3): Structural factors determining cost of value activity: scale, learning, capacity utilization, linkages, interrelationships, integration, timing, policies.. Source: (from training memory of book — Chapter 2).
Porter's differentiation drivers (importance 3): Sources of uniqueness: policy choices, linkages, timing, location, interrelationships, learning, integration, scale, institutional factors.. Source: (from training memory of book — Chapter 2).
Porter's competitive scope (importance 3): Breadth of targets: segment, geography, vertical. Broad versus narrow scope fundamental strategic choice. Focus exploits narrow scope.. Source: (from training memory of book — Chapter 2).
Porter's capital requirements barrier (importance 2): Need to invest large financial resources to compete. Capital necessary for facilities, inventory, customer credit, advertising, R&D.. Source: (from training memory of book — Chapter 1).
Porter's distribution access barrier (importance 2): New entrant must secure distribution for product. Wholesale or retail channels limited, existing firms have tied them up. Barrier in consumer goods.. Source: (from training memory of book — Chapter 1).
Porter's government policy barrier (importance 2): Government can limit or foreclose entry through licensing, access to raw materials, pollution standards, product safety regulations. Subtle barriers in regulated industries.. Source: (from training memory of book — Chapter 1).
Porter's expected retaliation (importance 2): Entrant may expect vigorous retaliation from incumbents: history of retaliation, established firms with resources, slow industry growth making accommodation difficult.. Source: (from training memory of book — Chapter 1).
Porter's buyer concentration (importance 2): Buyers powerful when concentrated or purchase large volumes relative to seller sales. Large-volume buyers gain leverage in negotiating.. Source: (from training memory of book — Chapter 1).
Porter's buyer information advantage (importance 2): Buyers with full information about demand, market prices, supplier costs in better position to negotiate. Information revolution shifts power.. Source: (from training memory of book — Chapter 1).
Porter's supplier concentration (importance 2): Suppliers powerful when dominated by few companies and more concentrated than industry they sell to. Monopolistic suppliers exact maximum price.. Source: (from training memory of book — Chapter 1).
Porter's unique supplier products (importance 2): Suppliers powerful when product unique or differentiated, or switching costs high. Buyer faces few alternatives and is locked in.. Source: (from training memory of book — Chapter 1).
Porter's forward integration threat (importance 2): Suppliers credibly threaten to integrate forward into industry. Places ceiling on prices suppliers can charge. Countervailing force.. Source: (from training memory of book — Chapter 1).
Porter's fixed costs pressure (importance 2): High fixed costs create pressure to fill capacity, leading to price cutting when excess capacity. Industries like paper, aluminum susceptible.. Source: (from training memory of book — Chapter 1).
Porter's product differences rivalry (importance 2): Lack of differentiation or switching costs means choice based on price and service. Strong incentive to cut price. Commodity products intensify rivalry.. Source: (from training memory of book — Chapter 1).
Porter's market signals (importance 2): Any action by competitor providing direct or indirect indication of intentions, motives, goals, or internal situation. Announcements, press comments, reactions.. Source: (from training memory of book — Chapter 4).
Porter's capacity expansion strategy (importance 2): Timing and scale decisions in adding production capacity. Large-scale preemptive moves versus small incremental additions. Industry structure dictates logic.. Source: (from training memory of book — Chapter 15).
Porter's industry consolidation (importance 2): Trend from fragmentation to concentration as industry matures. Occurs when economic or strategic changes remove causes of fragmentation.. Source: (from training memory of book — Chapter 9).
Porter's first-mover advantages (importance 2): Benefits to pioneering: reputation, occupy best position, switching costs, cost advantages from learning. But first mover bears uncertainties and costs.. Source: (from training memory of book — Chapter 10).
Porter's strategic commitment (importance 2): Moves that are visible, irreversible, comprehensible to competitors. Signal intent and bind firm to course of action. Communicate credibility.. Source: (from training memory of book — Chapter 5).
Porter's organizational fit requirement (importance 2): Generic strategy must be supported by appropriate organizational arrangements, control systems, incentives. Misalignment leads to failure.. Source: (from training memory of book — Chapter 2).
Porter's learning curve (importance 2): Costs decline with cumulative volume as firm gains experience. Can be barrier to entry if proprietary learning and leaders maintain volume.. Source: (from training memory of book — Chapter 1).
Porter's multipoint competition (importance 2): Firms compete in multiple markets simultaneously. Actions in one market may provoke responses in others. Changes strategic logic.. Source: (from training memory of book — Chapter 13).
Porter's strategic uncertainty (importance 2): Inability to predict competitor moves, industry evolution, technological change. Strategy must be robust to range of futures.. Source: (from training memory of book — Chapter 8).
Porter's overcapacity dynamics (importance 2): Chronic excess capacity depresses prices and profitability. Caused by lumpy additions, exit barriers, competitive dynamics. Common structural problem.. Source: (from training memory of book — Chapter 15).
Porter's industry boundary definition (importance 2): Where to draw lines around industry for analysis. Too broad obscures differences; too narrow misses interdependencies. No single right answer.. Source: (from training memory of book — Chapter 1).
Porter's diversification test (importance 2): Three tests for diversification: attractiveness, cost-of-entry, better-off. New business must pass all three or destroy value. Most fail.. Source: (from training memory of book — Chapter 16).
Porter's industry life cycle critique (importance 2): Life cycle concept of limited value. Pattern not predetermined. Strategic choices and structural change drive evolution, not automatic stages.. Source: (from training memory of book — Chapter 8).
Porter's cooperative strategies (importance 2): Collective strategies to improve industry structure for all. Trade associations, coalitions, implicit coordination. Can increase total profits.. Source: (from training memory of book — Chapter 4).
Porter's demand-side conditions (importance 2): Buyer characteristics affecting competitive dynamics: buyer concentration, volume, information, price sensitivity. Shape rivalry and profitability.. Source: (from training memory of book — Chapter 1).
Porter's supply-side conditions (importance 2): Supplier characteristics affecting competitive dynamics: concentration, differentiation, switching costs, forward integration threat. Shape input costs.. Source: (from training memory of book — Chapter 1).
Porter's interrelationships (importance 2): Tangible connections between value chains of different businesses. Source of advantage in diversified firms if managed correctly.. Source: (from training memory of book — Chapter 16).
Porter's competitor response profile (importance 2): Likely moves and reactions of each competitor. Predict from analysis of goals, assumptions, strategy, capabilities. Anticipate countermoves.. Source: (from training memory of book — Chapter 3).
Porter's strategic group mobility (importance 2): Ease of movement between strategic groups limited by barriers. Height varies by group. Map reveals which positions achievable and defensible.. Source: (from training memory of book — Chapter 7).
Porter's endgame strategy matrix (importance 2): Decline strategy choice depends on two dimensions: structural attractiveness of declining industry and firm's competitive strengths. Four cells.. Source: (from training memory of book — Chapter 12).
Porter's global configuration-coordination (importance 2): Two dimensions of global strategy: where to locate activities (configuration) and how to coordinate across locations. Four patterns emerge.. Source: (from training memory of book — Chapter 13).
Porter's integration benefits-costs (importance 2): Benefits: economies, technology, assured supply/demand. Costs: increased exit barriers, reduced flexibility, different managerial needs. Net depends on context.. Source: (from training memory of book — Chapter 14).
Porter's buyer fragmentation cause (importance 1): Fragmentation often caused by low entry barriers, diseconomies of scale, diverse buyer needs, high transportation costs, regulatory constraints.. Source: (from training memory of book — Chapter 9).
Claims
Porter's industry-determines-profitability thesis (importance 5): Core thesis: firm profitability determined primarily by industry structure, not firm-specific factors. Some industries inherently more profitable than others.. Source: (from training memory of book — Chapter 1).
Porter's stuck in the middle (importance 4): Firm failing to develop strategy in at least one direction is guaranteed low profitability. No competitive advantage. Will compete at disadvantage.. Source: (from training memory of book — Chapter 2).
Porter's strategic choice matters (importance 4): Given industry structure, firm choices about positioning and activities determine performance. Strategy is not predetermined by structure.. Source: (from training memory of book — Chapter 2).
Porter's strategic trade-offs (importance 3): Cannot pursue cost leadership and differentiation simultaneously without getting stuck. Attempting both spreads resources, confuses, compromises.. Source: (from training memory of book — Chapter 2).
Porter's analysis-over-intuition (importance 3): Rigorous structural analysis superior to managerial intuition or experience. Strategy can be taught as analytical discipline.. Source: (from training memory of book — Preface).
Methods
Porter's cost leadership strategy (importance 4): Achieving lowest cost position in industry through economies of scale, proprietary technology, preferential access to raw materials. Requires aggressive construction of efficient facilities.. Source: (from training memory of book — Chapter 2).
Porter's differentiation strategy (importance 4): Being unique in industry along dimensions widely valued by buyers. Select attributes different from rivals and position to meet those needs. Premium price.. Source: (from training memory of book — Chapter 2).
Porter's focus strategy (importance 4): Concentrating on particular buyer group, segment, or geographic market. Built around serving particular target very well. Can be cost focus or differentiation focus.. Source: (from training memory of book — Chapter 2).
Porter's competitor analysis framework (importance 4): Systematic diagnosis of competitor through four components: future goals, current strategy, assumptions, capabilities. Predicts competitor response profiles.. Source: (from training memory of book — Chapter 3).
Porter's defensive tactics (importance 2): Actions to deter challengers or deflect attacks: raising structural barriers, increasing expected retaliation, lower inducement to attack.. Source: (from training memory of book — Chapter 5).
Porter's offensive strategies (importance 2): Ways to attack: go where competitor is weak, take actions competitor will respond slowly to, harness commitment through irreversible moves.. Source: (from training memory of book — Chapter 5).
Porter's buyer selection (importance 2): Choosing buyers where firm has competitive advantage in serving or where buyer power is low. Not all revenue is equally profitable.. Source: (from training memory of book — Chapter 6).
Porter's decline strategy choices (importance 2): Four options in decline: leadership, niche, harvest, divest quickly. Choice depends on industry structure in decline and firm strengths.. Source: (from training memory of book — Chapter 12).
Porter's global strategy configuration (importance 2): Pattern of worldwide competition: multidomestic versus global. Different industries have different patterns. Coordination requirements differ.. Source: (from training memory of book — Chapter 13).
Porter's industry scenarios (importance 2): Internally consistent view of future industry structure. Build scenarios from uncertainties about industry evolution to test strategy robustness.. Source: (from training memory of book — Chapter 8).
Porter's harvest strategy (importance 2): Controlled disinvestment to maximize cash flow over limited horizon. Cut investment, ride down sales, extract value. For declining or mature positions.. Source: (from training memory of book — Chapter 12).
Porter's coalition strategy (importance 2): Forming coalitions with suppliers, buyers, competitors to improve competitive position. Joint ventures, licensing, long-term contracts.. Source: (from training memory of book — Chapter 13).
Porter's environmental analysis rejection (importance 2): Industry structure analysis superior to broad environmental scanning. Focus on five forces, not PEST factors. Structure determines profitability.. Source: (from training memory of book — Chapter 1).
Porter's strategic planning critique (importance 2): Formal planning often fails by mechanistic extrapolation. Need structural analysis grounded in economics. Process should foster strategic thinking.. Source: (from training memory of book — Preface).
Porter's preemptive moves (importance 2): Actions foreclosing options for competitors: capacity expansion, vertical integration, spatial preemption, buyer contracts. Must be irreversible.. Source: (from training memory of book — Chapter 15).
Relations
Porter's structural analysis requires Porter's Five Forces framework
Porter's Five Forces framework generalizes Porter's rivalry among existing competitors
Porter's Five Forces framework generalizes Porter's threat of new entrants
Porter's Five Forces framework generalizes Porter's threat of substitute products
Porter's Five Forces framework generalizes Porter's bargaining power of buyers
Porter's Five Forces framework generalizes Porter's bargaining power of suppliers
Porter's industry-determines-profitability thesis evidences Porter's Five Forces framework
Porter's Five Forces framework enables Porter's industry attractiveness