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a)       Assuming that CDSS�s reduce medical practice variation by minimizing medical errors, it can be hypothesized that widespread employment of expert systems will decrease welfare loss and alleviate its accumulation in society as a function of a more standardized approach in health care delivery (again, as a result of reduced numerator in cov2 / n). This statement is valid both for short-term and long-term effects.

a)      WL will diminish also due to decrease in expenditures (as been demonstrated in the section above), in its turn resulting from:

-  Decrease in Quantity of services only in the short-run
or :
-  Decrease in both Price and Quantity in the long-term 

The amount of WL would purely depend on the interplay of estimates of P and Q when considering short-term effects, which is difficult to anticipate at this point.