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...

Contract law's liquidated damage rules prevent enforcement of contractual damage measures that require the promisor, if it breaches, to transfer to the promisee a sum that exceeds the net gain the promisee expected to make from performance; but these rules permit the promisor to transfer less than...

Contract interpretation is an important subject for lawyers but there are few rigorous economic analyses. We use a formal model to derive the interpretive rule that an “ideal” legal enforcer would adopt. Commercial parties make contracts to maximize gains from trade. Our enforcer is ideal,...