increased international trade. This study tests two theories as to why democracies might trade more. First, political freedom … trade more. Second, democracy implies higher quality governance either through institutions or policy-making procedures. I … utilize a bilateral gravity trade model covering approximately 150 countries from 1950 to 1999, with fixed effects for time …

?', 'do transport costs matter for trade?', 'how important are transport costs in practice?', and 'why are Africa's transport …