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January 2021
Article

Chain Stability in Trading Networks

By: John William Hatfield, Scott Duke Kominers, Alexandru Nichifor, Michael Ostrovsky and Alexander Westkamp

We show that in general trading networks with bilateral contracts, a suitably adapted chain stability concept (Ostrovsky, 2008) is equivalent to stability (Hatfield and Kominers, 2012; Hatfield et al., 2013) if all agents' preferences are fully substitutable and... View Details

Keywords: Matching; Trading Networks; Chain Stability; Stability; Competitive Equilibria; Full Substitutability; Laws Of Aggregate Supply And Demand; Contracts; Market Design; Balance and Stability

October 2012 (Revised August 2013)
Case

Global Unichip Corporation (A)

By: Willy Shih and Chen-Fu Chien

Global Unichip Corporation (GUC) is a design services company that acts as a front-end to TSMC, the world's largest semiconductor foundry. In so doing, it masked the complexity of the latest process technologies, and reduced the entry barriers for small firms to... View Details

November 2012 (Revised August 2013)
Supplement

Global Unichip Corporation (B)

By: Willy Shih and Chen-Fu Chien

Jim Lai, President of Global Unichip Corporation (GUC), mapped out the changes he saw coming to the global semiconductor industry. The big question was how many system developers would start coming directly to GUC. View Details

November 2013 (Revised August 2015)
Case

Janet Yellen and the Bernanke Fed

By: Matthew Weinzierl and Katrina Flanagan

The unelected Federal Reserve Chairman exerts exceptional influence over the U.S., in fact global, economy. As Janet Yellen prepared to take over the position, she would look back on Chairman Bernanke's tenure during the Great Recession. During that time, Bernanke was... View Details

Keywords: Monetary Policy; Nominal Rigidity And Aggregate Demand/Aggregate Supply; Phillips Curve; Taylor Rule; Central Bank Independence; Central Banking; Money; Policy; Financial Crisis; Power and Influence; Banking Industry; Public Administration Industry; United States

2005
Working Paper

Pseudo Market Timing and Predictive Regressions

By: Malcolm Baker, Ryan Taliaferro and Jeffrey Wurgler

A number of studies claim that aggregate managerial decision variables, such as aggregate equity issuance, have power to predict stock or bond market returns. Recent research argues that these results may be driven by an aggregate time-series version of Schultz's... View Details

Keywords: Managerial Roles; Equity; Market Timing; Financial Instruments; Investment Return; Mathematical Methods

August 2006
Article

Predicting Returns with Managerial Decision Variables: Is There a Small-Sample Bias?

By: Malcolm Baker, Ryan Taliaferro and Jeffrey Wurgler

Many studies find that aggregate managerial decision variables, such as aggregate equity issuance, predict stock or bond market returns. Recent research argues that these findings may be driven by an aggregate time-series version of Schultz's (2003, Journal of Finance... View Details

Keywords: Prejudice and Bias; Fairness; Managerial Roles; Management Analysis, Tools, and Techniques; Equity; Bonds; Financial Markets; Investment; Capital Markets; Borrowing and Debt; Investment Return

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December 1982 (Revised June 1993)
Background Note

Economics: An Introduction and Vocabulary

Introduces students to some general tools of economics that will be useful in analyzing macroeconomic performance in a course on business, government, and the international economy. The four sections are: 1) the economy as a circular flow, 2) supply and demand, 3)... View Details

Keywords: Macroeconomics

Article

Om det meningslösa och farliga med monetär heroism [On the Futility and Hazards of Monetary Heroics]

By: Amar Bhide

The decentralized enterprise that sustains the dynamism of economies makes top-down monetary interventions, such as quantitative easing, that target aggregates such as overall inflation, futile. Moreover, economic stability and dynamism also require prudent,... View Details

Keywords: Innovation; Monetary Policy; Decentralization; Quantitative Easing

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29 Nov 2012
HBS Seminar

Chris Dellarocas, Boston University

2019
Article

More Amazon Effects: Online Competition and Pricing Behaviors

By: Alberto Cavallo

I study how online competition, with its shrinking margins, algorithmic pricing technologies, and the transparency of the web, can change the pricing behavior of large retailers in the U.S. and affect aggregate inflation dynamics. In particular, I show that in the past... View Details

Keywords: Amazon; Online Prices; Inflation; Uniform Pricing; Price Stickiness; Monetary Economics; Economics; Macroeconomics; Inflation and Deflation; System Shocks; United States

2005
Article

The Rise in Firm-Level Volatility: Causes and Consequences

By: Diego Comin and Thomas Philippon

We document that the recent decline in aggregate volatility has been accompanied by a large increase in firm level risk. The negative relationship between firm and aggregate risk seems to be present across industries in the US, and across OECD countries. Firm... View Details

Keywords: Volatility; Risk Management; Relationships; Research and Development; Financing and Loans; Industry Growth; Governing Rules, Regulations, and Reforms; Economy; Outcome or Result; United States

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15 Oct 2019
Working Paper Summaries

Vote Choice Formation and the Minimal Effects of TV Debates: Evidence from 61 Elections in 9 OECD Countries

Keywords: by Caroline Le Pennec-Caldichoury and Vincent Pons

2012
Working Paper

Average Marginal Income Tax Rates in New Zealand, 1907-2009

By: Debasis Bandyopadhyay, Robert J. Barro, Jeremy Couchman, Norman Gemmell, Gordon Y Liao and Fiona McAlister

Estimates of marginal tax rates (MTRs) faced by individual economic agents, and for various aggregates of taxpayers, are important for economists testing behavioural responses to changes in those tax rates. This paper reports estimates of a number of personal marginal... View Details

Keywords: Average Marginal Income Tax Rates; New Zealand; Taxation; New Zealand

January 2011 (Revised November 2014)
Case

Mochi Media

By: Thomas R. Eisenmann and Amit Jain

In late 2009, the management of Mochi Media, a venture-backed startup, must decide how to invest scarce resources to achieve continued growth. Mochi has developed a three-sided platform, connecting Flash game developers, sites that aggregate these games, and... View Details

Keywords: Business Model; Business Startups; Games, Gaming, and Gambling; Entrepreneurship; Growth and Development Strategy; Network Effects; Multi-Sided Platforms; Partners and Partnerships; Competition

Article

Diverging Trends in Macro and Micro Volatility

By: Diego Comin and Sunil Mulani

This paper documents the diverging trends in volatility of the growth rate of sales at the aggregate and firm level. We establish that the upward trend in micro volatility is not simply driven by a compositional bias in the sample studied. We argue that this new fact... View Details

Keywords: Volatility; Mathematical Methods; Theory; Sales; Growth and Development

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August 2024
Article

The Labor Market Effects of Loan Guarantee Programs

By: Jean-Noël Barrot, Thorsten Martin, Julien Sauvagnat and Boris Vallée

We investigate the labor market effects of a loan guarantee program targeting French SMEs during the financial crisis. Exploiting differences in regional treatment intensity in a border discontinuity design, we uncover a central trade-off for such interventions. While... View Details

Keywords: Labor; Financial Crisis; Policy; France

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2018
Working Paper

Averaging Probability Forecasts: Back to the Future

By: Robert L. Winkler, Yael Grushka-Cockayne, Kenneth C. Lichtendahl Jr. and Victor Richmond R. Jose

The use and aggregation of probability forecasts in practice is on the rise. In this position piece, we explore some recent, and not so recent, developments concerning the use of probability forecasts in decision-making. Despite these advances, challenges still exist.... View Details

Keywords: Probability Forecast; Forecast Combination; Forecast Evaluation; Decision Analysis; Forecasting and Prediction; Decision Making; Analysis

May 2018
Article

Selection and Market Reallocation: Productivity Gains from Multinational Production

By: Laura Alfaro and Maggie X. Chen

Assessing the productivity gains from multinational production has been a vital topic of economic research and policy debate. Positive aggregate productivity gains are often attributed to within-firm productivity improvement; however, an alternative, less emphasized... View Details

Keywords: Productivity Gains; Multinational Production; Selection; Market Reallocation; And Within-firm Productivity; Multinational Firms and Management; Production; Performance Productivity; Competition; Mathematical Methods

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Research Summary

Selection and Market Reallocation: Productivity Gains from Multinational Production

By: Laura Alfaro

Assessing the productivity gains from multinational production has been a vital topic of economic research and policy debate. Positive aggregate productivity gains are often attributed to within-firm productivity improvement; however, an alternative, less emphasized... View Details

December 1994
Background Note

Cost System Analysis

By: Robert S. Kaplan

Describes six characteristics of cost systems: standard vs. actual costs; job-order vs. process costing; variable vs. full costs; disaggregate vs. aggregate cost accumulation; and specific vs. average rates for labor and overhead. A rewritten version of an earlier... View Details

Keywords: Cost; Analysis; System

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