". Productivity is modeled as is standard in the literature. Caliber is the ability to produce quality using few fixed inputs. While … to single-attribute models of firm heterogeneity emphasizing either productivity or the ability to produce quality, our …We develop a model of international trade with two sources of firm heterogeneity: "productivity" and "caliber …

addition to \productivity", rms are also heterogeneous in their \caliber" { the ability to produce quality using fewer xed …We develop a model of international trade with export quality requirements and two dimensions of rm heterogeneity. In … inputs. Compared to single-attribute models of rm heterogeneity emphasizing either productivity or the ability to produce …

addition to "productivity", firms are also heterogeneous in their "caliber" {the ability to produce quality using fewer fixed …We develop a model of international trade with export quality requirements and two dimensions of firm heterogeneity. In … inputs. Compared to singleattribute models of firm heterogeneity emphasizing either productivity or the ability to produce …

contribution of the number of firm-products, their average attributes (quality and efficiency) and heterogeneity around the mean … variation in sales, while the remaining part is equally accounted for by average attributes and their dispersion. Quality is the … distribution of firms' sales, especially due to heterogeneity in quality. These countries also tend to be more likely to host …

contribution of the number of firm-products, their average attributes (quality and efficiency) and heterogeneity around the mean … variation in sales, while the remaining part is equally accounted for by average attributes and their dispersion. Quality is the … distribution of firms’ sales, especially due to heterogeneity in quality. These countries also tend to be more likely to host …

's aggregate exports. The data allows for a characterization of both the crosssectional distribution of Mexican exports, across … destinations and across exporting firms, and of the time-series variation in aggregate exports and its relation to time …-series variation in the export supply decisions of firms. It is found that the cross-sectional variation of exports is mostly accounted …

This paper provides a direct test of how fixed export costs and productivity jointly determine firm-level export …, while those with higher productivity export more. These outcomes are the foundation of the widely-used sorting mechanism in … the trade models with firm heterogeneity. A particular and novel finding is that high-productivity nonexporters face …

their productivity draws at the entry stage and explore the implications in closed and open economy. By allowing firms to … choose the size of their investment in innovation projects of unknown quality, the model yields a Pareto distribution for … productivity with a shape parameter that depends on industry-level characteristics. A novel result is that export opportunities, by …

productive enough to overcome the entry costs of foreign markets. Once firms pass this productivity threshold, they all export … services and manufacturing for 2010-2014. Our findings are threefold. First, high productivity is an important, but not a … sufficient condition for exporting. Firm size (substitute for productivity), import status, and foreign ownership are also …