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Marking to Market versus Taking to Market

American Economic Review 2018 108(8), 2246-2276 open access
Building on the idea that accounting matters for corporate governance, this paper studies the equilibrium interaction between the measurement rules that firms find privately optimal, firms’ governance, and the liquidity in the secondary market for their assets. This equilibrium approach reveals an excessive use of market-value accounting: corporate performance measures rely excessively on the information generated by other firms’ asset sales and insufficiently on the realization of a firm’s own capital gains. This dries up market liquidity and reduces the informativeness of price signals, thereby making it more costly for firms to overcome their agency problems.

Deadly Embrace: Sovereign and Financial Balance Sheets Doom Loops

Review of Economic Studies 2018 85(3), 1781-1823
The recent unravelling of the Eurozone’s financial integration raised concerns about feedback loops between sovereign and banking insolvency. This article provides a theory of the feedback loop that allows for both domestic bailouts of the banking system and sovereign debt forgiveness by international creditors or solidarity by other countries. Our theory has important implications for the re-nationalization of sovereign debt, macroprudential regulation, and the rationale for banking unions.

Missed Sales and the Pricing of Ancillary Goods*

Quarterly Journal of Economics 2018 133(4), 2097-2169
Firms often sell a basic good as well as ancillary ones. Hold-up concerns have led to ancillary good regulations, such as transparency and price caps. The hold-up narrative, however, runs counter to evidence in many retail settings where ancillary good prices are set below cost (e.g., free shipping or limited card surcharging in countries where the “no-surcharge rule” was lifted). We argue that the key to unifying these conflicting narratives is that the seller may absorb partly or fully the ancillary good’s cost so as not to miss sales on the basic good. A supplier with market power on the ancillary good market then takes advantage of cost absorption and jacks up its wholesale price. Hold-ups occur only when consumers are initially uninformed or naive about the drip price and shopping costs are high. The price of the basic good then acts as a signal of the drip price, since a high markup on the basic good makes the firm more wary of missed sales. Regardless of whether consumers are informed, uninformed but rational, or naive, mandating price transparency and banning loss-making on the ancillary good leads to (i) an efficient consumption of the ancillary good, and (ii) a reduction of its wholesale price, generating strict welfare gains.