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The theory that rich economic diversity of businesses and households both affects and is shaped by economy-wide fluctuations has strong implications for monetary policy. This review places these insights in a Canadian context.

We find that the CPI and PPI inflation indexes co-moved strongly throughout the late 20th century, but their correlation has fallen substantially since the early 2000s. We offer a structural explanation for this divergence based on the growth of global supply chains since 2000. This finding offers a unique perspective for the future design of optimal monetary policy.

We explore the idea that the financial sector can be a source of non-fundamental risk to the rest of the economy. We also consider whether policy can be used to reduce this risk—either by increasing the supply of publicly backed safe assets or by reducing the demand for safe assets.

How much attention do firms pay to macroeconomic news? Through a novel text-based measure, two facts emerge. First, attention is polarized. Most firms either never or always pay attention to economic conditions. Second, it is countercyclical. During recessions, more firms pay attention, and firms pay greater attention to macroeconomic news.

The COVID-19 pandemic highlighted the need for policy-makers to closely monitor disruptions to the retail and food business sectors. We present a new method to measure business opening and closing rates using real-time data from Google Places, the dataset behind the Google Maps service.

How much of a CBDC would Canadian households want to hold, and what design features of a CBDC would they care about?

Should a CBDC be more like cash or bank deposits? An interest-bearing, cash-like CBDC not only makes payments more efficient but also increases total demand. This has positive effects on other transactions, inducing more deposit taking and lending and, thus, bank intermediation.

One argument for central bank digital currencies (CBDCs) is that without them, private and foreign digital monies could displace domestic currencies, threatening the central bank’s monetary policy and lender of last resort capabilities. I revisit this monetary sovereignty rationale and offer a wider view—one that considers a broader set of currency functions and captures important cross-country variation.

Does the transmission of monetary policy change when interest rates are low or negative? We shed light on this question by analyzing the international bank lending channels of monetary policy using regulatory data on banks from four small open economies: Canada, Chile, the Czech Republic and Norway.

Do bond risk premiums influence the effects of debt maturity operations? Using a model with realistic bond risk premiums, we show that maturity operations have sizable effects on expected inflation and output when the central bank passively responds to inflation and the fiscal authority weakly responds to the debt level.