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In this article, we consider central bank intervention to address financial market turmoil with a focus on the questions of why, when, and how a central bank might intervene. We set out a policy framework and identify appropriate central bank instruments to respond to extraordinary financial market turmoil, consistent with central bank policy goals and functions.

Inflation rates in advanced economies experienced two consecutive puzzles during the period following the global financial crisis—unexpectedly high inflation from the end of 2009 to 2011 and unexpectedly low inflation from 2012 to the middle of 2014. We investigate these developments in two ways. First, we show that accounting for inflation expectations by households explains a significant share of the inflation puzzles at the international level. Second, we find that, for Canada, elevated competition in the retail sector is also important for understanding inflation dynamics in the post-crisis period.

At the onset of the pandemic, the Bank of Canada transitioned its framework for monetary policy implementation from a corridor system to a floor system, which it has since decided to maintain. We provide a comprehensive analysis of both frameworks and assess their relative merits based on five key criteria that define a sound framework.

A blockchain is a digital ledger that keeps track of a record of ownership without the need for a designated party to update and enforce changes to the record. The updating of the ledger is done directly by the users of the blockchain and is traditionally governed by a proof-of-work (PoW) protocol.

This issue features a summary of the Bank’s annual conference, Financial Intermediation and Vulnerabilities, which took place in October 2012, as well as two articles that present analysis of international macroeconomic coordination since the global financial crisis and the U.S. recovery from the Great Recession.

Capital markets and their related financial instruments make an important contribution to the welfare of Canadians. The Bank of Canada is interested in the efficient functioning of capital markets through each of its responsibilities for monetary policy, the financial system, and funds management. Hendry and King highlight the key findings of Bank research published over the past year that addresses capital market efficiency and summarize lessons that have been learned. The research conducted thus far suggests that Canadian capital markets are efficient for a capital market of Canada's size but are less diverse than the U.S. capital markets, indicating that there is room for improvement in certain areas.

Advances in variance analysis permit the splitting of the total quadratic variation of a jump diffusion process into upside and downside components. Recent studies establish that this decomposition enhances volatility predictions, and highlight the upside/downside variance spread as a driver of the asymmetry in stock price distributions.