Variables description and main data sources
| Variables | Description | Definition and source |
|---|---|---|
| Migration | ||
| Immigrants | Stock of immigrants in country i from country j in year t | Data are from United Nations “Trends in International Migrant Stock: The 2017 revision”, Department of Economic and Social Affairs. Population Division (2017). Data were obtained from population censuses. In most of the cases, in most countries or areas, international migrants have been equated with the foreign-born population (whenever this information is available). In countries lacking data on place of birth, information on the country of citizenship of those enumerated was available. When both information was available, they have been compared effectively equating |
| Emigrants | Stock of emigrants from country i to country j in year t | |
| Trade and FDI | ||
| Extensive margin | A dummy variable that equals 1 if country i achieved an RCA of 1 (or more) in product p at time t conditional on having RCA = 0 in the previous period | Product data of EU-27 countries and of 20 MENA countries with more than 200 countries. For 1990–2000 the data are from The Center of International Data of Robert Feenstra. For more recent data (2005–2015) they are from the UN COMTRADE with corrections implemented by Bahar et al. (2014) for the bilateral trade data. Products classified according to the Standard Industry Trade Classification (SITC) (Rev. 2) with a 4-digit level of detail amounting to more than 700 single products |
| Intensive margin | Compound average growth rate (CAGR) in the export of product p (at 5-years interval) | |
| Imports | Value of imports (including product p) | |
| Accumulated exports | The accumulated exports of products (different from p) | |
| FDI | The sum of the stock of FDI (inflows plus outflows) | Bilateral FDI 1990–2012 stocks from OECD International Direct Investment Statistics (2013) |
| Gravity model variables | ||
| Log (Migrantsijt) | Biltaral migration stocks from i residing in j at time t | United Nations “Trends in International Migrant Stock: The 2017 revision”, Department of Economic and Social Affairs. Population Division (2017) |
| Colony | Dummy equal to 1 if country i and j share a colonial past and 0 otherwise | CEPII Gravity Dataset (Head et al., 2010; Head and Mayer, 2014) |
| Common coloniser | Dummy indicating if two countries have had a common colonizer after 1945 | |
| Common religion beliefs | Index of Religious proximity (Disdier and Mayer, 2007) | |
| Common language | Dummy equal to 1 if country i and j share a common official or primary language and 0 otherwise | |
| Variables | Description | Definition and source |
|---|---|---|
| Migration | ||
| Immigrants | Stock of immigrants in country | Data are from United Nations “Trends in International Migrant Stock: The 2017 revision”, Department of Economic and Social Affairs. Population Division (2017). Data were obtained from population censuses. In most of the cases, in most countries or areas, international migrants have been equated with the foreign-born population (whenever this information is available). In countries lacking data on place of birth, information on the country of citizenship of those enumerated was available. When both information was available, they have been compared effectively equating |
| Emigrants | Stock of emigrants from country | |
| Trade and FDI | ||
| Extensive margin | A dummy variable that equals 1 if country | Product data of EU-27 countries and of 20 MENA countries with more than 200 countries. For 1990–2000 the data are from The Center of International Data of Robert Feenstra. For more recent data (2005–2015) they are from the UN COMTRADE with corrections implemented by |
| Intensive margin | Compound average growth rate (CAGR) in the export of product | |
| Imports | Value of imports (including product | |
| Accumulated exports | The accumulated exports of products (different from | |
| FDI | The sum of the stock of FDI (inflows plus outflows) | Bilateral FDI 1990–2012 stocks from OECD International Direct Investment Statistics |
| Gravity model variables | ||
| Log (Migrantsijt) | Biltaral migration stocks from | United Nations “Trends in International Migrant Stock: The 2017 revision”, Department of Economic and Social Affairs. Population Division (2017) |
| Colony | Dummy equal to 1 if country | CEPII Gravity Dataset ( |
| Common coloniser | Dummy indicating if two countries have had a common colonizer after 1945 | |
| Common religion beliefs | Index of Religious proximity ( | |
| Common language | Dummy equal to 1 if country | |
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