In this short research note we investigate the role of diversification in the firm growth process. We build on Penrose's (1959) Theory of the Growth of the Firm to formulate hypotheses about growth of employment, assets, and sales in the years before, during and after a new product introduction....

Recent research questions the existence of a conglomerate discount. This study addresses two of the most important explanations for the conglomerate discount and finds evidence in support of an economically and statistically significant discount. The first explanation is that the risk-reducing...

This paper studies the diversification and refocusing strategies of firms in the last three decades. The 1980s were characterized by a trend towards greater focus. This trend slackens in the 1990s to be replaced by a surge in the number of newly listed single-segment firms. From 2000 to 2007...

Why do some firms enter a new sector by acquiring an existing company ("buy"), while others do so using their existing resources ("build")? Using a novel dataset constructed by merging French employer payrolls with commercial M&A datasets, we show that firms are more likely to buy when their...

Once a preferred strategy, diversification has gradually been deinstitutionalized in the United States over the past several decades. We argue that changes that occurred in a closely related domain — graduate business education — are important in understanding variation in de-diversification...

Measurement of diversification has always remained one of the critical issues in earlier studies. During the past half-century or more, many measures of corporate diversification have been suggested (and applied) by a number of authors. These ranged from qualitative to quantitative measures and...

This study investigates the role of organizational learning on the valuation effects of corporate diversification. The empirical findings suggest that corporate diversification reduces shareholders' wealth. However, consistent with the absorptive capacity viewpoint of organizational learning,...

We propose and test a view of corporate diversification as a strategy that exploits internal information markets, by bringing together information that is scattered across the economy. First, we construct an inter-industry network using input-output data, to proxy for the economy's information...

We document a strong decline in corporate-diversification activity since the late 1970's, and we develop a dynamic model that explains this pattern, both qualitatively and quantitatively. The key feature of the model is that synergies endogenously decline with technological specialization,...

Why do some firms enter a new market by acquiring an existing company operating in this market (external entry), while more than 90% of firms do so by building on their existing resources (internal entry)? This paper shows that human capital acquisition is a key motive behind firms' decision to...