The potential economic outcomes resulting from a flat rate of income tax have been the subject of an ongoing academic and political debate. Many observers have suggested that the introduction of a flat tax would be beneficial for a country's economy, having a positive influence on the labor...

Using firm-level data covering 709 cities in 128 countries, we examine the role of a comprehensive list of business and institutional environment variables at the sub-national level in explaining firm employment and productivity growth. We find basic protection (with corruption as an element),...