This thesis investigates various aspects of economic development. In the first chapter I study the effect of financial reform on firms. In particular, I study to what extent this effect depends on enforcement's quality. I find that -- when court enforcement works poorly -- financial reform increasing creditor protection is ineffective in fostering firm access to credit and productivity. In the second chapter I exploit the adoption of genetically engineered soybean seeds in Brazil to study the effects of agricultural productivity on industrial development. I find that areas more affected by technical change in soy production experienced faster manufacturing growth due to increased supply of cheap labour and larger credit availability. In the...