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臺大管理論叢

27

卷第

3

143

process (Shu, Page, Gao, and Jiang, 2012).

More critically, external ties might direct managers’ attention to aspects of an

organization’s environment (Ocasio, 1997) and enable access to certain external information

(Gulati et al., 2002), subsequently promoting organizations’ social learning of adaptive

responses rather than other, less productive forms of interorganizational imitation (Kraatz,

1998). Furthermore, newly hired executives with prior exposure to different products and

strategies affect the subsequent product-market entry decisions of the firm (Boeker, 1997).

As Penrose (1959) suggested, different firms face different supply and demand conditions,

and the profitability of investment in different directions is affected accordingly. Thus, a

reasonable expectation is that the more external ties a top manager brings to a top

management team (TMT), the more likely the TMT is to identify new market opportunities

to utilize the members’ intra-industry experience. Therefore, we posit the following:

Hypothesis 1: The more external ties a TMT has, the more the TMT’s intra-industry

experience enhances the firm’s intra-industry performance.

4.2 Fit between External Ties of Managers and Industry Evolution

Previous studies have suggested the following aspects in which industries evolve. First,

the uncertainty and ambiguity are high initially and decrease over time (Daft and Lengel,

1986; Tushman and Nadler, 1986; Aldrich, 1999; Murmann and Tushman, 2001; Lant,

2003). Second, the rate of innovation decreases over time as the cost of innovation increases

and ultimately outweighs the economic rents generated (Gort and Klepper, 1982; Klepper

and Simons, 2000). Third, competition moves from product innovation to process innovation

(Abernathy and Utterback, 1978). Finally, the customer base changes from technology

enthusiasts and early adopters to mainstream markets (Moore, 1999). Then, how would these

changes affect the importance of the external ties of managers?

As suggested, a firm’s resource dependence on the external environment often increases

with the level of environmental uncertainty (Pfeffer and Salancik, 1978). In addition, the

information sources for innovation have been suggested as moving from places that are more

distant from the firms in the focal industry to within the firms (Gort and Klepper, 1982).

Moreover, it has been observed that product innovation, as opposed to process innovation, is

more externally oriented by the business ties of managers (Shu et al., 2012). Thus, as the

industry ages, a firm’s reliance on the external ties of managers should decline. This logic

leads to the following hypothesis: