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40 Resources for

finance and harvard college

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Automatic Nonrigid Registration for Tracking Brain Shift During Neurosurgery: Intraoperative imaging is used more frequently today since this enables the surgeon to localize structures inside the brain more accurately and helps to detect shape changes. In order to combine information's derived at different time points, it describes a nonrigid registration algorithm that aligns MR scans of the brain. Based...; Tags: Document management, imaging; White papers
Designing A Two-Sided Platform: When To Increase Search Costs?: This paper proposes a model for analyzing an intermediary's incentives to increase the search costs incurred by consumers looking for sellers stores. First, we show that the quality of the search service offered to consumers is more likely to be degraded (i.e. the probability that consumers find their favorite store...; Tags: Sales force management, intermediary, incentive, search technology, revenue; White papers 2007-08-29
Hedge Fund Investor Activism And Takeovers: This paper examines long-horizon stock returns around hedge fund activism in a comprehensive sample of 13D filings by portfolio investors between 1993 and 2006. Abnormal returns surrounding investor activism are high for the subset of targets that are acquired ex-post, but not detectably different from zero for targets that remain...; Tags: Investment, activism, hedge fund, activist, M&A, stock; White papers 2007-07-01
The Persuasive Appeal Of Stigma: Stigmatized minorities may have an advantage in persuading majority group members during some face-to-face interactions due to the greater self-presentational demands such interactions elicit. In contrast to models which predict greater persuasive impact of members of ingroups, White participants were more convinced by persuasive appeals delivered by a Black interaction...; Tags: stigma, benefit, video; White papers 2007-06-25
Economic Catastrophe Bonds: The central insight of asset pricing is that a security's value depends on both its distribution of payoffs across economic states and state prices. In fixed income markets, many investors focus exclusively on estimates of expected payoffs, such as credit ratings, without considering the state of the economy in which...; Tags: Investment, Financial accounting, Asset management, Financial services, fixed income, catastrophe, payoff, asset pricing, finance, investor, bond, compensation, asset, security; White papers 2007-06-01

Auditing In The Self-Reporting Economy: This paper examines the licensing of intellectual property in exchange for royalties that depend on the self-report of the licensee. The self-reporting aspect of the problem gives rise to demand for auditing by the licensor. We characterize the optimal royalty contract, accounting system choice by the licensee, and audit strategy...; Tags: Sarbanes-Oxley, accounting system, auditing, accounting, Section 404, internal control, Sarbanes-Oxley Act, audit, intellectual property; White papers 2007-06-01
Global Currency Hedging: This paper considers the risk management problem of an investor who holds a diversified portfolio of global equities or bonds and chooses long or short positions in currencies to manage the risk of the total portfolio. Over the period 1975-2005, we find that a risk-minimizing global equity investor should short...; Tags: Investment, Financial services, equity, bond, risk management, strategy; White papers 2007-04-01
How Is Foreign Aid Spent?: Evidence From A Compelling Natural Experiment: We use yearly variations in the price of oil to construct a powerful new instrument to test the impact of an important but often-overlooked foreign aid channel: money given by wealthy OPEC nations to their poorer Muslim allies. The instrument identifies plausibly exogenous variation in foreign aid. We investigate how...; Tags: financial; White papers 2007-04-01
The Price Of Capital: Evidence From Trade Data: In this paper we use highly disaggregated data on trade in capital goods to study differences in the price of capital across countries. Our strategy is motivated by the fact that most countries import the bulk of machinery equipment from a small number of industrialized countries. We find the price...; Tags: income, strategy; White papers 2007-03-01
"Don'ts" And "Dos": Insights From Experience In Mitigating Risks Of Western Investors In Post-Communist Countries: We shall now focus on one of this paper's recurring themes, namely that to develop mindsets and practices in accordance with our propositions "Takes time". This is intended both as a statement of fact and as an exhortation. What we are saying is, first, that it is essential for westerners...; Tags: DOS, Harvard College, President, Investor, Financial Accounting, Finance; White papers 2007-01-17
A New Framework For Analyzing And Managing Macrofinancial Risks Of An Economy: The high cost of international economic and financial crises highlights the need for a comprehensive framework to assess the robustness of national economic and financial systems. This paper proposes a new comprehensive approach to measure, analyze, and manage macroeconomic risk based on the theory and practice of modern Contingent Claims...; Tags: Balance sheets, balance sheet, financial system, financial, theory, accounting, asset, analysis; White papers 2006-10-10
Pricing Liquidity: The Quantity Structure Of Immediacy Prices: This paper develops a model for understanding liquidity via the pricing of limit orders. Limit orders can be well defined and priced with the tools of option pricing, allowing the complex tradeoff between transaction size and speed to be reduced to a single price. The option-based framework allows the properties...; Tags: Pricing, liquidity, pricing strategy, tool; White papers 2006-08-01
Optimal Value And Growth Tilts In Long-Horizon Portfolios: We develop an analytical solution to the dynamic portfolio choice problem of an investor with power utility defined over wealth at a finite horizon who faces an investment opportunity set with time-varying risk premia, real interest rates and inflation. The variation in investment opportunities is captured by a flexible vector...; Tags: Investment, Financial services, investment opportunity, investor, bond, interest rate, inflation, equity, asset; White papers 2006-07-04
The Framing Effect Of Price Format: Existing evidence suggests that preferences are affected by whether a price is presented as one all-inclusive expense or partitioned into a series of charges. To explain this phenomenon, we propose a simple psychological mechanism whereby price format determines how many product attributes are actively processed at the time of valuation....; Tags: valuation, incentive; White papers 2006-05-16
Float Manipulation And Stock Prices: Firms can manipulate their stock price by restricting the tradable float. When risk averse investors have differences of opinion and are short-sale constrained, reductions in the float freeze out pessimistic investors, pushing up prices. When the float is released, prices fall. To formally test this idea, the author examines a...; Tags: Financial accounting, Investment, stock price, investor, stock, theory; White papers 2006-01-18
Reinventing Savings Bonds: Savings Bonds have always served multiple objectives: funding the U. S. government, democratizing national financing, and enabling families to save. Increasingly, this last goal has been ignored. A series of efficiency measures introduced in 2003 make these bonds less attractive and less accessible to savers. Public policy should go in...; Tags: Asset management, Investment, bond, asset, financing; White papers 2005-10-07
Wintel: Cooperation Or Conflict: We study the incentives of complementors producers of complementary products to cooperate vs. compete and how these interact. In a system of complements, like the PC, the value of the final product depends on how well the different components work together. This, in turn, depends on the firms' investment in...; Tags: Sales force management, complement, incentive, Wintel, investment, R&D, pricing strategy, PC; White papers 2005-04-13
Exploratory Identification of Cardiac Noise in fMRI Images: A fast exploratory framework for extracting cardiac noise signals contained in rest-case fMRI images is presented. Highly auto-correlated, independent components of the input time series are extracted by applying Canonical Correlation Analysis in the time domain. A close correspondence between some of these components and cardiac noise contributions is established....; Tags: Mergers & Acquisitions, Corporate law, analysis, acquisition, image, monitoring, performance; White papers 2003-11-24
Diffusion Tensor and Functional MRI Fusion With Anatomical MRI for Image-guided Neurosurgery: In order to achieve its main goal of maximal tumor removal while avoiding postoperative neurologic deficits, neuro-oncological surgery is strongly dependent on image guidance. Among all currently available imaging modalities, MRI provides the best anatomic detail and is highly sensitive for intracranial pathology. However, conventional MRI does not detect the...; Tags: imaging; White papers 2003-11-20
Freehand Ultrasound Reconstruction Based on ROI Prior Modeling and Normalized Convolution: 3D freehand ultrasound imaging is becoming a widespread technique in medical examinations. This imaging technique produces a set of irregularly spaced B-scans. Reconstructing a regular grid from these B-scans is a challenging problem that enables the visualization and further analysis of the acquired data. This paper focuses on extending an...; Tags: PRODUCTIVITY, Document management, grid, imaging, technique, ROI, 3D, analysis; White papers 2003-08-08