We acquire a unique dataset of high-frequency traded prices for bitcoin call and put options from the Deribit cryptocurrency derivatives exchange, by 15-minute sampling via the application programming interface. We use these prices to construct a term structure of bitcoin implied volatility...

A later version of this paper has been published in the Journal of Financial Stability (Volume 50, October 2020, Article Number 100776).When trading volumes are high, bitcoin futures on the Chicago Mercantile Exchange (CME) and -- until recently -- the Chicago Board Options Exchange (CBOE) lead...

Market betas of bitcoin relative to a broad crypto market index vary considerably, depending on the data source and the index selected. Even greater differences are found for ether and other cryptocurrencies. An in-depth exploration of the cause of these discrepancies reveals a long-standing...

Program numbers from a sample of IMF-supported programs are studied as if they were forecasts, through statistical analyses of the relationship between projections and outcomes for growth, inflation, and three balance of payments concepts. Statistical bias is found only for projections of...

This paper develops two models of the money marketmutual fund maturity decision. The first assumes thatmarkets are efficient but that transactions are costly. Thesecond model relies on a survey of fund managers to selectvariables that might permit exploiting perceivedprofit opportunities....

Studies of bank efficiency tend to draw conclusions from pooled estimates, assuming that all banks in a sample use the same technology, or estimates based on a priori classifications of the banks. It is well known that efficiency rankings may be corrupted if banks that use different technologies...

The study investigates the determinants of electronic payment adoption and the role of electronic payment on con-sumers' purchase decisions as well as its effects on consumers' spending growth in Nigeria. To achieve this, both pri-mary and secondary data were deployed. The primary data were...

Quantitative investment strategies are often selected from a broad class of candidate models estimated and tested on historical data. Standard statistical technique to prevent model overfitting such as out-sample back-testing turns out to be unreliable in the situation when selection is based on...

This paper examines how determinants of volatility and stock returns change with financial crisis. The contributions of the paper are twofold. First, using a GARCH-M framework, risk and return are jointly modeled by using macroeconomic variables both in the variance and the mean equations. The...

Liquidity is an important variable for the bank and the banking system components. So it is interesting to show its determinants. Thus, we used a sample of 18 banks in Tunisia in for 2000- 2010period. We estimated two measures of liquidity (liquid assets / total assets; total loans / total...