The paper examines seasonal productivity variations by using monthly plant-level physical output and capacity data. The regression results confirm that seasonal output elasticity is substantially larger than non-seasonal elasticity not only at the industry level, but also at the plant level. The...

This article provides empirical evidence on the product cycle and the firm's make-or-buy decision by using a firm-level data set with a direct measure of foreign outsourcing. Across industries, foreign outsourcing tends to be inactive in R&D-intensive industries. Within each industry, products...