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Mathematical models



Toledo Business Journal - Vol. 25 Nbr. 9, September 2009

Toledo Start-Up Creates Training Manikin

According to Wasserman, PhysioSim has not yet determined the exact cost of the product for the end user, but it is expected to be approximately $30,000.

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Quarterly Journal of Finance and Accounting; QJFA - Vol. 43 Nbr. 3/4, July 2004

Health and Family Labor Force Transitions

We examine the labor force participation responses of older families to changes in the health of family members in the U.S. using the Health and Retirement Study. We estimate transitions among four labor force states for married couples: both working, husband working, wife working, and neither working. We find evidence that the onset of health problems increases the probability that the affected individual leaves the labor market. The unaffected spouse is likely to continue working if origina...

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Research Technology Management - Vol. 52 Nbr. 5, September 2009

Innovation As a System

A mathematical model of the business system that links innovation of products and services to financial growth represents both investment and revenue as a series of overlapping waves, thus more directly capturing the lagged relationship between investment and revenue growth over time. By teasing out some of the underlying non-obvious relationships, the approach provides important and often counterintuitive insights into the roles that early learning, staffing decisions, and investments in pro...

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American Journal of Environmental Sciences - Vol. 5 Nbr. 5, October 2009

Mathematical model of double pass photovoltaic thermal air collector with fins.

... Ong (2) carried out a steady state mathematical model and solution procedure for predicting the ...... (9) built and tested various PV/T water and air based collector models. Zondag et al. (10) compared the efficiency of ...

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Southern Economic Journal - Vol. 68 Nbr. 2, October 2001

Long-Run Purchasing Power Parity with Asymmetric Adjustment.

... Rhee and Rich (1995) and Madsen and Yang (1998) provide empirical evidence corroborating th e implications of the asymmetric price adjustment models. The key point to note is that, if prices are ...

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Sampling Theory in Signal and Image Processing - Vol. 6 Nbr. 2, May 2007

Modified Wilson orthonormal bases.

...2]([??]) defined by [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII.] The ......m[member of][??]] and [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII.] (1) is ......n[member of]I] [subset] [??] for a countable set I, where [??] is a separable Hilbert space, is a tight frame with the bound C if for a [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII.] (3) Fix ...

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...com/research/249d18/an_introduction_to) has announced the addition of John Wiley and Sons Ltd's new report "An Introduction to Mathematical Models in Ecology and Evolution: Time and Space, ...... Students often find it difficult to grasp fundamental ecological and evolutionary concepts because of their inherently mathematical nature. Likewise, the application of ecological ...

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American Journal of Environmental Sciences - Vol. 1 Nbr. 2, April 2005

Mathematical modelling of pollutants' dispersion in soil I. Case Study of copper dispersion.

Abstract: The study presents a mathematical modelling of copper dispersion in soil. The ......-1] V- the total volume of solution, mL m- the weight of dried sample taken for analysis, g RESULTS AND DISCUSSION The values of the copper concentrations were mathematical processed and the results are presented in Fig. ...

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Southern Economic Journal - Vol. 68 Nbr. 2, October 2001

Savings and Investment: Some International Perspectives.

Martin B. Schmidt [*] Consistent with neoclassical growth models, recent estimates of the close association ...... The relation between the two represents the essence of most neoclassical growth models that suggest that decreased saving reduces ...

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