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Show Results For
- All HBS Web
(2,618)
- People (2)
- News (302)
- Research (1,965)
- Events (16)
- Multimedia (6)
- Faculty Publications (1,442)
- Working Paper
Trade and Geography in the Origins and Spread of Islam
By: Stelios Michalopoulos, Alireza Naghavi and Giovanni Prarolo
This study examines the spatial distribution of Muslim societies shedding light on its geographic origins. The empirical analysis conducted across countries, virtual countries, and ethnicities establishes that geographic inequality and proximity to pre-Islamic trade... View Details
Michalopoulos, Stelios, Alireza Naghavi, and Giovanni Prarolo. "Trade and Geography in the Origins and Spread of Islam." NBER Working Paper Series, No. 18438, October 2013.
- 2018
- Working Paper
Forecasting Airport Transfer Passenger Flow Using Real-Time Data and Machine Learning
By: Xiaojia Guo, Yael Grushka-Cockayne and Bert De Reyck
Problem definition: In collaboration with Heathrow Airport, we develop a predictive system that generates quantile forecasts of transfer passengers’ connection times. Sampling from the distribution of individual passengers’ connection times, the system also produces... View Details
Keywords: Quantile Forecasts; Regression Tree; Copula; Passenger Flow Management; Data-driven Operations; Forecasting and Prediction; Data and Data Sets
Guo, Xiaojia, Yael Grushka-Cockayne, and Bert De Reyck. "Forecasting Airport Transfer Passenger Flow Using Real-Time Data and Machine Learning." Harvard Business School Working Paper, No. 19-040, October 2018.
- 2010
- Working Paper
Valuation When Cash Flow Forecasts Are Biased
This paper focuses adaptations to the discount cash flow (DCF) method when valuing forecasted cash flows that are biased measures of expected cash flows. I imagine a simple setting where the expected cash flows equal the forecasted cash flows plus an omitted downside.... View Details
Keywords: Forecasting and Prediction; Cash Flow; Cost of Capital; Performance Expectations; Prejudice and Bias; Valuation
Ruback, Richard S. "Valuation When Cash Flow Forecasts Are Biased." Harvard Business School Working Paper, No. 11-036, October 2010.
- Comment
Patent Citations and the Geography of Knowledge Spillovers: A Reassessment: Comment
By: Rebecca M. Henderson, Adam Jaffe and Manuel Trajtenberg
Henderson, Rebecca M., Adam Jaffe, and Manuel Trajtenberg. "Patent Citations and the Geography of Knowledge Spillovers: A Reassessment: Comment." American Economic Review 95, no. 1 (March 2005): 416–464.
- 20 Sep 2011
- Working Paper Summaries
Sovereigns, Upstream Capital Flows and Global Imbalances
- 01 Oct 1998
- News
Going Against the Flow
and those of developed countries. When capital is flowing freely throughout the world, there is tremendous growth and opportunity in emerging markets. But when the tap is turned off, you have major crashes... View Details
Keywords: Dun Gifford, Jr.
- December 2002
- Background Note
Simulation of Prices, Rates and Cash Flows (A)
Explicitly considers the most common propagation models for financial variables and explains how to determine the statistical properties of these variables and simulate their future values. Covers arithmetic Brownian motion, geometric Brownian motion, mean-reversion,... View Details
Shimko, David C. "Simulation of Prices, Rates and Cash Flows (A)." Harvard Business School Background Note 203-056, December 2002.
- October 1997 (Revised June 2000)
- Exercise
Capital Budgeting: Discounted Cash Flow Analysis
By: Thomas R. Piper
This exercise comprises seven problems that collectively allow students to work through each type of cash flow that is encountered in capital budgeting. The instructor can also address such issues as product cannibalization and real options. View Details
Piper, Thomas R. "Capital Budgeting: Discounted Cash Flow Analysis." Harvard Business School Exercise 298-068, October 1997. (Revised June 2000.)
- Research Summary
Sovereigns, Upstream Capital Flows and Global Imbalances
By: Laura Alfaro
We construct measures of net private and public capital flows for a large cross-section of developing countries considering both creditor and debtor side of the international debt transactions. Using these measures, we demonstrate that sovereign-to-sovereign... View Details
- 27 Apr 2017
- News
Going with the Flow
“Where’s your cash register? I don’t hear the cash register ringing.” Cynthia Fisher (MBA 1990) still recalls the first words her father, a small-town accountant, uttered when he visited ViaCord’s startup offices in 1993. “That was his way View Details
- March 1986
- Article
Calculating the Market Value of Riskless Cash Flows
By: R. S. Ruback
Ruback, R. S. "Calculating the Market Value of Riskless Cash Flows." Journal of Financial Economics 15, no. 3 (March 1986): 323–339.
- Article
Online Community as Space for Knowledge Flows
By: Samer Faraj, Georg von Krogh, Eric Monteiro and Karim R. Lakhani
Online communities frequently create significant economic and relational value for community participants and beyond. It is widely accepted that the underlying source of such value is the collective flow of knowledge among community participants. We distinguish the... View Details
Faraj, Samer, Georg von Krogh, Eric Monteiro, and Karim R. Lakhani. "Online Community as Space for Knowledge Flows." Information Systems Research 27, no. 4 (December 2016): 668–684.
- August 2013
- Background Note
A Simple Free Cash Flow Valuation Model
Explores some of the issues involved in valuing cash flow streams. A simple model is presented that reveals the effect on value of changing assumptions about the appropriate discount rate, the level of profitability, the growth rate of sales, the asset intensity ratio,... View Details
Sahlman, William A. "A Simple Free Cash Flow Valuation Model." Harvard Business School Background Note 814-027, August 2013.
- 11 May 2017
- News
Going with the Flow
liquid, the observation refers to her involvement in, first, the 1993 launch of ViaCord, a company that enabled parents to store their newborn’s umbilical cord blood as a source of stem cells that help treat... View Details
Keywords: Robert S. Benchley
- 1998
- Chapter
The Role of Geography in the Process of Innovation and Sustainable Competitive Advantage of Firms
By: M. E. Porter and Orjan Solvell
Porter, M. E., and Orjan Solvell. "The Role of Geography in the Process of Innovation and Sustainable Competitive Advantage of Firms." In The Dynamic Firm, edited by Alfred D. Chandler Jr., Peter Hagstrom, and Orjan Solvell. Oxford: Oxford University Press, 1998.
- 24 Nov 2010
- Working Paper Summaries
Valuation When Cash Flow Forecasts Are Biased
Keywords: by Richard S. Ruback
- October 2014
- Article
Sovereigns, Upstream Capital Flows and Global Imbalances
By: Laura Alfaro, Sebnem Kalemli-Ozcan and Vadym Volosovych
We construct measures of net private and public capital flows for a large cross-section of developing countries considering both creditor and debtor side of the international debt transactions. Using these measures, we demonstrate that sovereign-to-sovereign... View Details
Keywords: Current Account; Aid/government Debt; Reserves; Puzzles; Productivity; Sovereign Finance; Developing Countries and Economies; Macroeconomics
Alfaro, Laura, Sebnem Kalemli-Ozcan, and Vadym Volosovych. "Sovereigns, Upstream Capital Flows and Global Imbalances." Journal of the European Economic Association 12, no. 5 (October 2014): 1240–1284. (Also NBER Working Paper 17396. Online Appendix.
See International capital flows database for the data on measures of net private and public capital flows for a large cross-section of developing countries.)
- Book Review
Book Review of 'Organized Violence after Civil War: The Geography of Recruitment in Latin America' by Sarah Zukerman Daly
Why do some non-state actors, under the same peace accord, go back to violence in the aftermath of the disarming and demobilization of their armies, while others remain demilitarized? In her book, Organized Violence after Civil War: The Geography of Recruitment in... View Details
Keywords: Civil War; Government; Government and Politics; Governance; National Security; Governance Compliance; Latin America
Garbiras-Díaz, Natalia. "Book Review of 'Organized Violence after Civil War: The Geography of Recruitment in Latin America' by Sarah Zukerman Daly." Peace Review 30, no. 1 (First Quarter 2018): 120–123.
- September 2002 (Revised April 2004)
- Background Note
Valuing Cash Flows in an International Context
Addresses the question of how to value cash flows in an international context. Focuses on entrepreneurial ventures, but its content applies to finance issues that arise in established multinational enterprises. Addresses cash flows, discount rates, country risk... View Details
Kuemmerle, Walter, and Matias Braun. "Valuing Cash Flows in an International Context." Harvard Business School Background Note 803-028, September 2002. (Revised April 2004.)
- April 2025 (Revised May 2025)
- Background Note
Customer Acquisition and the Cash Flow Trap
By: E. Ofek, Barak Libai and Eitan Muller
Startups as well as existing firms recognize the need to invest in order to acquire customers for their new ventures. And as each customer is expected at some point to have generated sufficient gross margins to cover their CAC, management expects that, soon enough, the... View Details
Keywords: Business Model; Customers; Forecasting and Prediction; Cash Flow; Business or Company Management
Ofek, E., Barak Libai, and Eitan Muller. "Customer Acquisition and the Cash Flow Trap." Harvard Business School Background Note 525-056, April 2025. (Revised May 2025.)