The stability of money demand in the long-run: Italy 1861–2011

Money demand stability is a crucial issue for monetary policy efficacy, and it is particularly endangered when substantial changes occur in the monetary system. By implementing the ARDL technique, this study intends to estimate the impact of money demand determinants in Italy over a long period (1861–2011) and to investigate the stability of the estimated relations. We show that instability cannot be excluded when a standard money demand function is estimated, irrespectively of the use of M1 or M2. Then, we argue that the reason for possible instability resides in the omission of relevant variables, as we show that a fully stable demand for narrow money (M1) can be obtained from an augmented money demand function involving real exchange rate and its volatility as additional explanatory variables. These results also allow us to argue that narrower monetary aggregates should be employed in order to obtain a stable estimated relation

Institutional Herding in Financial Markets: New Evidence Through the Lens of a Simulated Model

Due to data limitations and the absence of testable, model-based predictions, theory and evidence on herd behavior are only loosely connected. This paper contributes towards closing this gap in the herding literature. We use numerical simulations of a herd model to derive new, theory-based predictions for aggregate herding intensity. Using high-frequency, investor-specific trading data we confirm the predicted impact of information risk on herding. In contrast, the increase in buy herding measured for the financial crisis period cannot be explained by the herd model

Cross-Country Differences in Monetary Policy Execution and Money Market Rates' Volatility

The volatility patterns of overnight interest rates differ across industrial countries in ways that existing models, designed to replicate the features of the U.S. federal funds market, cannot explain. This paper presents an equilibrium model of the overnight interbank market that matches these different patterns by incorporating differences in policy execution by the world's main central banks, including differences in central banks' management of marginal lending and deposit facilities in response to shocks. Our model is consistent with central banks' observed practice of rationing access to marginal facilities when the objective of stabilizing short-term interest rates conflicts with another high-frequency objective, such as the targeting of exchange rates

The Scarcity Value of Treasury Collateral: Repo Market Effects of Security-Specific Supply and Demand Factors

In the repo market, forward agreements are security-specific (i.e., there are no deliverable substitutes), which makes it an ideal place to measure the value of fluctuations in a security's available supply. In this study, we quantify the scarcity value of Treasury collateral by estimating the impact of security-specific demand and supply factors on the repo rates of all the outstanding U.S. Treasury securities. Our results indicate the existence of an economically and statistically significant scarcity premium, especially for shorter-term securities. The estimated scarcity effect is quite persistent, seems to be reflected in the Treasury market prices, and could in part explain the flow-effects of the Fed's asset purchase programs. More generally, it provides additional evidence in favor of the scarcity channel of quantitative easing. These findings also suggest that, through the same mechanism, the Fed's reverse repo operations could help alleviate potential shortages of high-quality collateral