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| Wagner, Joachim. |
| While the role of exports in promoting growth in general, and productivity in particular, has been investigated empirically using aggregate data for countries and industries for a long time, only recently have comprehensive longitudinal data at the firm level been used to look at the extent and causes of productivity differentials between exporters and their counterparts which sell on the domestic market only. This paper surveys the empirical strategies applied, and the results produced, in 45 microeconometric studies with data from 33 countries that were published between 1995 and 2004. Details aside, exporters are found to be more productive than non-exporters, and the more productive firms self select into export markets, while exporting does not... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Exports; Productivity; Literature survey; Micro data; International Relations/Trade; Productivity Analysis; F14; D21. |
| Ano: 2005 |
URL: http://purl.umn.edu/26308 |
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| Zezza, Alberto; Tasciotti, Luca. |
| Urban agriculture (UA) is defined as the production of crop and livestock goods within city and town boundaries. According to some statistics, 200 million people are employed in UA, contributing to the food supply of 800 million urban dwellers [1]. In African countries, 40 per cent of urban dwellers are said to be engaged in some sort of agricultural activities and this percentage rises to 50 per cent in Latin American countries [2]. If such numbers are accurate UA may play a role in addressing urban food insecurity problems. This paper attempts to fill some of the key research gaps in this area using survey data for 15 developing or transition countries. The paper analyzes in a comparative perspective the importance of UA for the poor and food insecure... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Urban agriculture; Nutrition; Micro data; Food Consumption/Nutrition/Food Safety. |
| Ano: 2008 |
URL: http://purl.umn.edu/44390 |
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