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June 11, 2009

Bank of Canada Review - Summer 2009

Summer 2009
Examining the incentives for banks to hold various assets on their balance sheets for use as collateral when the opportunity cost of doing so can be high; an outline of the complexity inherent in any modern risk-management system and review of possible strategies to improve the performance of risk management; causes and consequences of the changing pace of labour reallocation in Canada; description of the structure and functioning of BoC-GEM— an adaptation of the Global Economy Model— with examples of its recent application.

Computing the Accuracy of Complex Non-Random Sampling Methods: The Case of the Bank of Canada's Business Outlook Survey

Staff working paper 2009-10 Daniel de Munnik, David Dupuis, Mark Illing
A number of central banks publish their own business conditions surveys based on complex non random sampling methods. The results of these surveys influence monetary policy decisions and thus affect expectations in financial markets. To date, however, no one has computed the accuracy of these surveys because their respective non-random sampling method renders this assessment non-trivial. This paper describes a methodology for modeling complex non-random sampling behaviour, and computing relevant measures of statistical confidence, based on a given survey’s historical selection practice. We apply this framework to the Bank of Canada’s Business Outlook Survey by describing the sampling method in terms of rules-based criteria, historical practices, and Bayesian probabilities. This allows us to replicate the firm selection process using Monte Carlo simulations on a comprehensive micro-dataset of Canadian firms. We find, under certain assumptions, no evidence that the Bank’s firm selection process results in biased estimates and/or wider confidence intervals.

Paul Beaudry

Paul Beaudry
Paul Beaudry served as Deputy Governor from February 2019 until his retirement from the Bank of Canada in July 2023.
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