Where does competitive advantage collide?

Porter's account, in which advantage comes from the structure of the industry and from where a firm chooses to stand within it. In his 1980 Competitive Strategy, five forces (rivalry, new entrants, substitutes, buyer power, and supplier power) set the average profitability of an industry, and a firm earns above-average returns by taking one of two generic positions, cost leadership or differentiation, and defending it against those forces. His 1985 Competitive Advantage traced the position down into the value chain, the linked activities where low cost or distinctiveness is actually produced. The source of the edge is external and structural: an attractive industry and a defensible position inside it, not the firm's own stock of resources.[1][2]

Unit

A firm's position within an industry's structure

Recovery means

Not applicable

Measured by

Industry profitability and firm position analysed with the five forces and the value chain; returns relative to industry rivals as the criterion

Barney's account, in which advantage comes from inside the firm, from resources that are valuable, rare, inimitable, and non-substitutable. His 1991 Firm resources and sustained competitive advantage assumed that strategic resources are distributed unevenly across firms and that those differences are stable over time, and argued that only a resource meeting all four VRIN conditions can yield an advantage a rival cannot quickly copy or buy. Where the positioning view looks outward to industry structure, this account looks to heterogeneous resource bundles, so the same edge is explained by what the firm owns and controls rather than by where it sits in its market. The site treats the resource-based view as its own topic at resource-based view; here the field is competitive advantage as that view explains it.[3]

Unit

A firm's stock of valuable, rare, inimitable resources

Recovery means

Not applicable

Measured by

Resources coded against the VRIN conditions; sustained differences in profit as the criterion

Teece, Pisano, and Shuen's account, in which a fixed stock of resources is not enough in a fast-moving market, and advantage comes instead from the firm's capacity to build, integrate, and reconfigure competences as the environment shifts. Their 1997 Dynamic capabilities and strategic management located the edge in managerial and organizational processes, shaped by the firm's asset positions and by the paths open to it, rather than in any resource held at a single moment. This is the resource-based story made temporal: it accepts that resources matter but explains the same advantage by the ability to renew them, which is why it reads as an evolutionary answer to why some firms keep winning as conditions change. The site treats dynamic capabilities as its own topic at dynamic capabilities; here the field is competitive advantage as that view explains it.[4]

Unit

A firm's capacity to reconfigure its resources over time

Recovery means

Not applicable

Measured by

Processes of sensing, integrating, and reconfiguring assessed against changing conditions; renewed advantage across environments as the criterion

Dyer and Singh's account, in which advantage need not sit inside a single firm at all but can be generated in the relationships between firms. Their 1998 The relational view argued that partners who make relation-specific investments, share knowledge, combine complementary resources, and govern the tie effectively can earn a relational rent that neither could earn alone, a return that belongs to the dyad or network rather than to either member. Where the resource-based view draws the boundary of advantage at the firm, this account draws it around the relationship, so the same edge is attributed to network position and inter-organizational routines rather than to standalone assets.[5]

Unit

A rent lodged in the relationship or network between firms

Recovery means

Not applicable

Measured by

Relation-specific investments, knowledge-sharing routines, and complementarity assessed at the dyad level; relational rents as the criterion