In response to the pandemic, which unfurled starting in March 2020 and raised unemployment dramatically, the FOMC adopted a highly expansionary monetary policy. The policy restored the activist policy of aggregate demand management that had characterized the 1970s. It did so in two respects....

This document continues (see, Part I) my attempt to understand and build consensus about the causes and solutions to the financial crisis. The document summarizes my ideas and is intended to be written so that a non-specialist can grasp the content and contribute to the discussion. Part II...

Digital currencies store balances in anonymous electronic addresses. We analyze the tradeoffs between the safety and convenience of aggregating balances in addresses, electronic wallets and banks. In our model, agents balance the risk of theft of a large account with the cost to safeguarding a...

The market for cryptoassets has exploded in size in the 10 years since bitcoin was launched. The technology underlying cryptoassets, blockchain, has also been held up as a technology that promises to transform entire industries. In this paper we examine what is new about cryptoassets and their...

In the aftermath of the Great Financial Crisis (GFC), and within the context of significant macroeconomic imbalances in the world economy, economists have shown renewed interest in the way central banks and financial systems work. The rise of Modern Monetary Theory (MMT) has relied on the...

We develop a new framework to study the implementation of monetary policy through the banking system. Banks finance illiquid loans by issuing deposits. Deposit transfers across banks must be settled using central bank reserves. Transfers are random and therefore create liquidity risk, which in...

Keynes has emphasized a particular situation in which the liquidity preference becomes absolute, leading to monetary policy ineffectiveness: the near zero nominal rate of interest does not allow negative values of the real interest rate. This situation is termed liquidity trap (LT) and although...

Interchange fees in card payments are a mechanism to balance costs and revenues between banks for the joint provision of payment services. However, such fees represent a relevant input cost used as a reference price for the final fee charged to the merchants, who may be reluctant to accept cards...

This paper explores the relationship between Milton Friedman’s work and the work on Divisia monetary aggregation, originated by William A. Barnett. The paradoxes associated with Milton Friedman’s work are largely resolved by replacing the official simple-sum monetary aggregates with monetary...