in product mix across firms, and the implications of this bias for identifying firm and industry responses to exogenous …Firms’ decisions about which goods to produce are often made at a more disaggregate level than the data observed by … aggregation problem introduces a bias into standard measures of firm productivity. We develop a theoretical model of heterogeneous …

We estimate a structural model of heterogeneous multiproduct firms to examine the sources of firm heterogeneity … substitution within and between firms, and use the estimated model to recover unobserved qualities, marginal costs and markups. We … find that variation in firm quality and product scope explains at least four fifths of the variation in firm sales. Most …

, this being particularly relevant to de novo entrants as compared to entry by established firms. Current size is also found … differences, past growth matters for survival suggesting a partial adjustment process for firm size in the post entry period …

theoretical model incorporates heterogeneous firms, heterogeneous products, and ongoing entry and exit. In equilibrium, firm …This Paper develops a model of endogenous product selection by firms. The theory is motivated by new evidence we … present on the importance of product switching by US manufacturers. Two-thirds of continuing firms change their product mix …

start-ups. However, while the impact of firm-specific and industry-specific characteristics on size of new firms has been … firm start-ups in India suggest that the size distribution of new firms exhibits distinct regional patterns, even after …. Despite the renewed interest in economic geography, the existing literature on the firm size distribution (FSD) has ignored …

firm level data for manufacturing and service sectors to show that markups are lower when taking into account fixed input … factors. We find that the average price-cost margin of manufacturing firms is 0.041, compared to 0.090 when we do not control … manufacturing. …

This paper examines the frequency, pervasiveness and determinants of product switching among U.S. manufacturing firms …. We find that two-thirds of firms alter their mix of five-digit SIC products every five years, that one-third of the … increase in real U.S. manufacturing shipments between 1972 and 1997 is due to the net adding and dropping of products by …

opposite is true when minority shareholders hold a substantial fraction of the firm’s equity. In the analysis, we distinguish … Europe. We find that (i) larger firms are less efficient than smaller firms, (ii) greater leverage contributes to corporate …

(1991) effect on productive efficiency and profitability of industrial firms. The effect was positive for small to slightly … rejected. The 1991 estimates thus strongly suggest that the large firms created under the centrally-planned system suffered … from inefficiencies that were alleviated by the break-ups of these firms into smaller units. …

manufacturing. Using a unique industry dataset compiled from EU KLEMS and PATSTAT, it explores which countries and industries reveal … Denmark have the highest R&D efficiency on average in total manufacturing. However, sector-specific efficiency scores reveal …