When consumers choose between clean and dirty goods and the labour market clears, a green tax reform may not bring about a double dividend in the sense of increasing environmental quality and increasing employment. However, when firms choose between clean and dirty factors of production, and...

According to the existing literature, capital taxes should not be imposed in the presence of optimal profit taxation in either unionised or competitive labour markets. We show that this conclusion does not hold for an economy with both competitive and unionised sectors, where the competitive...