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PDF, GB, 139 p., 796 Ko - Femise

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We expect trade flows to be negatively related to distance that serves as a proxy for<br />

transportation costs which should be low when countries are located close to each other,<br />

hence α5 < 0. Common border and language indicator variables serve as proxy for<br />

transaction costs which should be lowered when trading partners share a common<br />

border and/or speak a common language, therefore α6, α7 > 0. The colonial ties serve as<br />

proxies for historical ties and should positively influence bilateral trade flows, hence α8,<br />

α9 > 0.<br />

27

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