? Using multi-product production patterns within and across firms, we recover a continuous cost based distance between firms … Potential. These predict firm sales growth, scope growth and core focus. If all firms produced all products linked by co …

New empirical and theoretical work has highlighted the importance of multi-product firms in international tradeflows …. We examine multi-product exporters in the small open economy of Belgium, considering their importance and the … relationship between the margins of trade and firm productivity, both across firms and within firms over time. In addition, we …