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  1. In this lecture, we use the overlapping generations model from the previous class to see, mathematically, how demographic changes can influence interest rates and asset prices. We evaluate Tobin's statement that a perpetually growing population could solve the Social Security problem, and resolve, in a surprising way, a classical argument about the link between birth rates and the level of the stock market. Lastly, we finish by laying some...more

  2. The economic concept of game theory can be readily applied to evolution and behavior. By analyzing encounters between organisms as a mathematical "game," important information such as fitness payoffs and the proportions of "strategies" played by each group within a population can be inferred. While oftentimes these games are too simplified to apply directly to actual examples in nature, they are still useful models that help convey importa...more

  3. Environmental Politics and Law (EVST 255) The lecture reviews the legal and economic strategies that can be used to manage coastal development. Over half of the United States population lives in coastal areas and will be affected by sea level rise and more intense storms. The lecture looks at the conflict between property rights and efforts to protect coastal ecosystems through the use of eminent domain to create national seashores. Bar...more

  4. Early Modern England: Politics, Religion, and Society under the Tudors and Stuarts (HIST 251)Professor Wrightson traces the major economic expansion of the late sixteenth and early seventeenth centuries. Despite occasional crises of mortality, population levels rose steadily, particularly in urban areas. Increased population levels resulted in enhanced agricultural and industrial output. Professor Wrightson reviews the extension of the cul...more

  5. Early Modern England: Politics, Religion, and Society under the Tudors and Stuarts (HIST 251)Professor Wrightson surveys the changing economic landscape of early modern England in the early sixteenth century. He notes that, throughout the period, population levels rose and, at the same time, inflation caused a rise in prices, and real wages fell. While many landowners were able to raise rents on their lands and profit from enclosing land, ...more

  6. Understanding allele and genotype frequency in population in Hardy-Weinberg Equilibrium.

  7. Using the variance of a sample to estimate the variance of a population.

  8. When in search for a market, Worthington advises not to focus the company too early.  Though there is tremendous pressure in the beginning to focus, this is dangerous; once a company has defined a focus the decision is very hard to undo.  Worthington suggests waiting it out and seeing how the product develops before focusing.