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The most complicated aspect of the insurance business is the underwriting of policies. Using a wide assortment of data, insurers predict the likelihood that a claim will be made against their policies and price products accordingly. To this end, insurers use actuarial science to quantify the risks they are willing to assume and the premium they will charge to assume them. Data is analyzed to fairly accurately project the rate of future claims based on a given risk. Actuarial science uses statistics and probability to analyze the risks associated with the range of perils covered, and these scientific principles are used to determine an insurer’s overall exposure. Upon termination of a given policy, the amount of premium collected and the investment gains thereon minus the amount paid out in claims is the insurer’s underwriting profit on that policy. Of course, from the insurer’s perspective, some policies are “winners” (i.e., the insurer pays out less in claims and expenses than it receives in premiums and investment income) and some are “losers” (i.e., the insurer pays out more in claims and expenses than it receives in premiums and investment income); insurance companies essentially use actuarial science to attempt to underwrite enough “winning” policies to pay out on the “losers” while still maintaining profitability.

Scientists have said that the combination of widespread deforestation and the recent earthquake in Haiti could lead to more landslides in the already hard-hit country.

The impoverished Caribbean nation was rocked by an earthquake measuring 7.0 on the Richter scale on January 12 and the ensuing devastation has been of dreadful proportions, with some 50,000 people believed to be dead and countless others said to be injured or homeless.

Many of Haiti’s people, the poorest in the Americas, routinely cut down trees for fuel-either to burn “raw” or turn into charcoal.

As a result, the destruction of Haiti’s natural forests is almost total, making the Caribbean country one of the most deforested in the world.

As Haiti’s trees have disappeared, landslides have become a major concern, especially during the rainy season, and the destabilizing effects of an earthquake on soil only worsen the problem.