The common law developed over centuries a small set of default rules that courts have used to fill gaps in otherwise incomplete contracts between commercial parties. These rules can be applied almost independently of context: the market damages rule, for example, requires a court only to know...

Market damages - the difference between the market price for goods or services at the time of breach and the contract price - are the best default rule whenever parties trade in thick markets: they induce parties to contract efficiently and to trade if and only if trade is efficient, and they do...

This article is a comparative economic analysis of the disparate doctrines governing the good faith purchase of stolen or misappropriated goods. Good faith purchase questions have occupied the courts and commentators of many nations for millennia. We argue that prior treatments have misconceived...

An increasing trend of economic agents is to form productive associations such as networks, platforms and other hybrids. Subsets of these agents contract with each other to further their network project and these contracts can create benefits for, or impose costs on, agents who are not contract...

This article sets out a normative theory to guide decisionmakers in the regulation of contracts between firms. Commercial law for centuries has drawn a distinction between mercantile contracts and others, but modern scholars have not systematically pursued the normative implications of this...

Contract law encourages parties to make relation-specific investments by enforcing the contracts the parties make, and by denying liability when the parties had failed to agree. For decades, the law has had difficulty with cases where parties sink costs in the pursuit of projects under...