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1877 Results

Classical Decomposition of Markowitz Portfolio Selection

Staff working paper 2020-21 Christopher Demone, Olivia Di Matteo, Barbara Collignon
In this study, we enhance Markowitz portfolio selection with graph theory for the analysis of two portfolios composed of either EU or US assets. Using a threshold-based decomposition of their respective covariance matrices, we perturb the level of risk in each portfolio and build the corresponding sets of graphs.

Seeking Safety

Staff working paper 2018-41 Toni Ahnert, Enrico Perotti
The scale of safe assets suggests a structural demand for a safe wealth share beyond transaction and liquidity roles. We study how investors achieve a reference wealth level by combining self-insurance and contingent liquidation of investment. Intermediaries improve upon autarky, insuring investors with poor self-insurance and limiting liquidation.

Opaque Assets and Rollover Risk

Staff working paper 2016-17 Benjamin Nelson, Toni Ahnert
We model the asset-opacity choice of an intermediary subject to rollover risk in wholesale funding markets. Greater opacity means investors form more dispersed beliefs about an intermediary’s profitability.

Breaking Down the US Employment Multiplier Using Micro­-Level Data

Using newly matched data on US defense contracts and restricted administrative employment data, we show that the employment effects of defense procurement are costly, concentrated and slow to diffuse.
November 16, 2017

An Initial Assessment of Changes to the Bank of Canada’s Framework for Market Operations

The Bank of Canada made changes to several of the tools that make up its framework for operations and liquidity provision. These changes came about after a comprehensive re-view of the framework and are designed to help the Bank better achieve its objectives of reinforcing the target for the overnight rate and supporting the well-functioning of Cana-dian financial markets under normal market conditions.
Content Type(s): Publications, Bank of Canada Review articles JEL Code(s): E, E4, E42, E44, E5, E52, E58, G, G0, G01, G1, G18

Trade and Diffusion of Embodied Technology: An Empirical Analysis

Using data from patents, citations, inter-sectoral sales and customs, we examine the international diffusion of technology through imports of sectoral knowledge and production inputs. We develop an instrumental variable strategy to identify the causal effects of technology embodied in imports on innovation and diffusion outcomes.

Monetary Policy Spillover to Small Open Economies: Is the Transmission Different under Low Interest Rates?

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.
May 10, 1996

Financing activities of provincial governments and their enterprises

This article examines the changes that have occurred in the composition of funds raised by provincial borrowers during the 1990s. Higher financing requirements, coupled with the declining availability of funds from non-market sources such as the Canada Pension Plan, led provincial governments and their Crown corporations to broaden and to diversify their debt management programs. In particular, provincial borrowers expanded their presence in foreign bond markets, increased their issuance of floating-rate debt, and incorporated a wide variety of innovative debt instruments into their borrowing programs in order to minimize their borrowing costs and to manage the risks associated with the issuing of debt. As a result, the composition of funds raised by provincial borrowers during the 1990s differed markedly from that of the previous decade: between 1990 and 1995, provincial borrowing requirements were met almost entirely through the issuance of marketable debt, and net new foreign currency debt issues averaged nearly 50 per cent of funds raised, whereas between 1980 and 1989, non-market sources provided close to 30 per cent of funds raised, and net new foreign currency debt issues provided less than 20 per cent.
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