A5020779219- Economic theories and models
- Capital Investment and Risk Analysis
- Economic Theory and Policy
- Financial Reporting and Valuation Research
- Stochastic processes and financial applications
- Economic Theory and Institutions
- Political Economy and Marxism
- Housing Market and Economics
- Cardiovascular Health and Risk Factors
- Stress Responses and Cortisol
- Financial Markets and Investment Strategies
- Firm Innovation and Growth
- Security and Verification in Computing
- Private Equity and Venture Capital
- Reservoir Engineering and Simulation Methods
- Complex Systems and Time Series Analysis
- Crystallography and Radiation Phenomena
- Cardiac Health and Mental Health
- European Monetary and Fiscal Policies
- Graphite, nuclear technology, radiation studies
- Decision-Making and Behavioral Economics
- Access Control and Trust
- Tracheal and airway disorders
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- Data Analysis with R
University of Sussex
2010-2024
Massachusetts General Hospital
2021-2024
Oregon Health & Science University
2024
Harvard University
2022
IBM Research - Zurich
2014-2022
Middlesex University
2010
IBM (United States)
2003
University of Cambridge
2000
Adelphi Technology (United States)
1993
Naval Surface Warfare Center
1993
We have observed up to 8 orders (n) in the spectra of parametric x-radiation (PXR) range 5--40 keV, produced by interaction a 90 MeV electron beam with mosaic graphite and single silicon crystals. The measured yields intensity ratios, I(n\ensuremath{\ge}2)/I(n=1), are not agreement theory PXR for In comparison, ratios intensities close predictions perfect bandwidths spectral lines both good theoretical predictions.
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The time value of money (TVM) equation is a key in finance. It takes the form an nth order polynomial having n roots. In finance it normal to calculate and use only one root (interest rate). remaining (n-1) roots are mostly complex or negative they usually discarded. This fact prompts research project into whether discarded, unorthodox have financial meaning utility. motivation study lies econometric dictum that data valuable should not be discarded lightly. shows rates matter. paper...
Using a physically motivated continuum model for the free energy of an elastomer with smectic or lamellar microstructure, we examine effects coupling between and rubber-elastic degrees freedom on measurements layer structure elastic moduli. In agreement experiment, find that response to stretching along normal is greatly increased by layering, while modulus parallel layers unchanged. We show Landau-Peierls instability fluctuations in ordinary liquid crystals removed matrix. Consequently one...
This article takes a fresh look at reswitching. When two production techniques are compared, reswitching occurs when one technique is more viable than the other high interest rate, switches to being less lower and reswitches again even rates. For some, undermines foundations of neoclassical economics because it belies idea monotonic relationship between relative capital values factor price. The equation an nth degree polynomial having n roots, implying existence Conventional analysis uses...
• An excellent method of rehabilitation for swallowing after total pharyngolaryngoesophagectomy is the reconstruction pharyngoesophagus with an autogenous visceral transplant. The most popular and reliable methods are gastric "pull-up" colonic "swing." A complication this procedure—which can result in morbidity as well mortality—is carotid artery rupture, especially when a neck dissection performed. This usually wound breakdown secondary to adjunctive use radiotherapy. When we have performed...
There is more to exponential analysis than conventional economic theory suggests. Exponential in economics usually involves time-value-of-money equations which are nth order polynomials. Mathematics says that such have n solutions for the interest rate. Conventional focuses on positive, real-valued solution and ignores (n–1), other because, allegedly, they lack meaning. This article employs a well-known fable introduce arguments meaning ignoring them not wise.
This article reviews and revises some earlier research on reswitching. When comparing two production techniques, reswitching occurs when one technique is cheapest at low interest rates, switches to being more expensive higher then again even rates. Some believe that this inconsistency undermines the foundations of neoclassical economics.This argues it employment exponential time value money equation as function explains occurrence The takes form an nth order polynomial having n roots...
Background: Chronic stress is associated with cardiovascular disease (CVD) in part through neural mechanisms that potentiate inflammation. Disrupted social connections are higher chronic stress. As such, we hypothesized that: 1) previously married (divorced, separated) individuals have major adverse event (MACE) risk compared to and 2) greater activation of stress-related neural-immune contributes this relationship. Methods: Participants (N=75,638) enrolled the Mass General Brigham Biobank...
To identify opportunities for improvement in quality of care, we explore Black families' experiences family support the neonatal intensive care unit (NICU) during their infant's hospital stay.
All conceivable solutions to the internal rate of return equation are shown have meaning as well use. Internal rates units in which value is measured and quantities such units. This result implies a single cannot be an investment criterion. Moreover, should not considered isolation; fully meaningful only when alongside its unorthodox partners.
Migrating systems onto virtualized environments, such as cloud platforms, is becoming a business imperative. Such platforms offer the promise of higher resilience combined with relatively low cost ownership. The also involve number challenges that hinder their adoption, and primary concern involves security. These security concerns stem in part from vulnerabilities underlying virtualization functionality introduces, ability to capture replay execution state machine. In where paramount, HSMs...
This article casts doubt on the conclusion reached by experimentalists in behavioral economics (and other subjects such as social psychology and political science) that hyperbolic discounting explains their data better than exponential discounting. A dual expression to equation is derived, containing full array of interest rates implied every root solving equation, including negative complex-valued rates, thereby employing giving meaning ignored most economists for centuries. The has...
The net present value (NPV) of an investment project having many potential outcomes can be expressed as a weighted average the NPVs calculated from individual outcomes, weights being outcome probabilities. Danielson (2016) demonstrates that this formula does not apply to internal rate return (IRR) in particular coming under scrutiny; are redefined depend on cash flow structures well This note elaborates Danielson’s result, demonstrating another presentation which probabilities alone.
Macaulay duration approximates the yield elasticity of bond price. Since its introduction in 1938 researchers have sought a more accurate formula. This article demonstrates Macaulay’s formula gives results if applied appropriately. A with maturity n has solutions for yield, one orthodox and (n-1) unorthodox. Conventional analysis ignores distinction, which means shift shifts all yields at once. In contrast, an other-things-being-equal holding unorthodox constant, permits successful...