Contents

1 Introduction

2 Theoretical considerations and hypotheses

2.1 Market size, trade and productivity in a firms heterogeneity model

2.2 Discussion and extensions

3 Econometric identification, data and measures

3.1 Econometric strategy

3.2 Data and measures

3.3 Import Penetration

3.4 Other covariates

4.Results

4.1 Benchmark regressions

4.2 Are the effects of competition sensitive to the origin and nature of imports ?

4.3 Robustness checks to further endogeneity issues

5 Conclusions

3. Trade import competition and productivity growth in the food industry.pdf 

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