We develop a model of international trade with two sources of firm heterogeneity: "productivity" and "caliber". Productivity is modeled as is standard in the literature. Caliber is the ability to produce quality using few fixed inputs. While there is no quality restriction to sell domestically,...

Policies to stimulate export growth and diversify the composition of exports in South Africa are now high on the government’s agenda. In order to understand exporting and its impact on job creation, one needs to understand how firms function, what determines, or constrains, exporting at the...

The model by Melitz (2003) predicts that if firms differ in their productivity (TFP) and there exists a fixed costs of entry to export markets, firms begin exporting if productivity exceeds a certain threshold value. Productivity is thus a crucial factor behind firms' export market...

Abstract This paper assesses the determinants of import and export demand functions. The object is to empirically measure the relative strengths and weaknesses of the determinants import and export, and to examine, using the Marshall-Lerner hypothesis, the condition under which balance of...

A growing number of studies that look at the relationship between innovation and exports find that more innovation tends to allow firms to export more. But very little is known about the heterogeneous impacts of innovation on exports. Since innovation is not a costless activity, it is important...

This paper examines the export performance of the Republic of Macedonia to its main trading partners; hence we focus on the major importing countries which are most present in the Macedonian trade balance. The data used in this article are analyzed with gravity model, which has good...

In this paper the results of linear and nonlinear causality examination performed for openness of Polish economy and its economic growth are presented. In order to extract the impact of world crisis on Polish economy we decided to apply two samples (containing quarterly data) – the full sample...

There have been numerous studies on the relationship between volatility of exports and economic growth. Most of these studies have used cross-section data. Recently, some studies have used time series data to study the relationship. However, there have been no studies which have used the GARCH...

This paper reviews a part of the most important literature on the impact of exchange rate volatility over exports. The first section reviews particularities and limits in the literature about the connection between the two variables, while the second part reviews the effects of exchange rate...

This paper focuses on self-selection into trade by exporting and importing firms, and on the presence of differential variable and sunk costs between exporters and importers across different categories of imports. In addition the authors consider the role of intensive and extensive margins with...