PRODUCT‐MARKET/INTERNATIONAL DIVERSIFICATION AND CORPORATE PERFORMANCE

The performance effects of product‐market and international diversification were examined in a sample of 156 U.S. corporations. Three sets of performance measures were used: (1) profitability, (2) risk‐adjusted returns, and (3) growth. Results suggest independent effects on profitability, and interactive effects on risk‐adjusted returns and growth. Results also clarify seemingly conflicting findings on product‐market and international diversification effects on performance.