As a closed political economy becomes more open, the types and destinations of political ties that generate strategic benefits for firms change. In closed markets, the greatest benefits arise from formal ties to central political leaders. In more open markets, the benefits shift to informal ties...

This study investigates the relationship between technological diversification and the productivity of firms' R&D. Using a panel dataset of U.S. manufacturing firms during the period of 1983-2002, we find the following: First, the firm-specific pool of knowledge spillovers has a non-linear...

This paper investigates, using a unique panel dataset of Korean manufacturing firms, the relationship between technological diversification and firm growth and the conditioning role of firm-specific core-technology competence in the relationship. First, the relationship is inverted U-shaped...