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May 13, 2014

Measuring Uncertainty in Monetary Policy Using Realized and Implied Volatility

Uncertainty surrounding the Bank of Canada’s future policy rates is measured using implied volatility computed from interest rate options and realized volatility computed from intraday prices of interest rate futures. Both volatility measures show that uncertainty decreased following major policy actions taken by the Bank in response to the 2007–09 financial crisis. Findings also indicate that, on average, uncertainty decreases following the Bank’s policy rate announcements.
Content Type(s): Publications, Bank of Canada Review articles JEL Code(s): E, E5, E52, E58

Assessing the Predictive Ability of Sovereign Default Risk on Exchange Rate Returns

Staff working paper 2017-19 Claudia Foroni, Francesco Ravazzolo, Barbara Sadaba
Increased sovereign credit risk is often associated with sharp currency movements. Therefore, expectations of the probability of a sovereign default event can convey important information regarding future movements of exchange rates.

Risk Amplification Macro Model (RAMM)

Technical report No. 123 Kerem Tuzcuoglu
The Risk Amplification Macro Model (RAMM) is a new nonlinear two-country dynamic model that captures rare but severe adverse shocks. The RAMM can be used to assess the financial stability implications of both domestic and foreign-originated risk scenarios.

Understanding Inflation Dynamics: The Role of Government Expenditures

Staff working paper 2023-30 Chang Liu, Yinxi Xie
We study the impact government expenditure has on inflation. We find that changes in government expenditure account for a substantial portion of inflation variations. We also find that inflation and inflation expectations respond negatively to fiscal spending shocks, reaffirming the supply-side channel through which inflation responds to fiscal expansions.

Downward Nominal Wage Rigidity Meets the Zero Lower Bound

Staff working paper 2017-16 Robert Amano, Stefano Gnocchi
We add downward nominal wage rigidity to a standard New Keynesian model with sticky prices and wages, where the zero lower bound on nominal interest rates is allowed to bind. We find that wage rigidity not only reduces the frequency of zero bound episodes but also mitigates the severity of corresponding recessions.

Is This Normal? The Cost of Assuming that Derivatives Have Normal Returns

Staff working paper 2024-46 Radoslav Raykov
Derivatives exchanges often determine collateral requirements, which are fundamental to market safety, with dated risk models assuming normal returns. However, derivatives returns are heavy-tailed, which leads to the systematic under-collection of collateral (margin). This paper uses extreme value theory (EVT) to evaluate the cost of this margin inadequacy to market participants in the event of default.
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