Monthly Archives: December 2007

Do We Know a Trend is a Trend?

As the U.S. economy goes into a downturn, we are going to be reminded that extrapolating trends is a hazardous enterprise. For instance, linear extrapolation of tax receipts (expressed as a share of GDP) is probably something that one should be wary of doing. And yet, as shown in some comments on previous posts (see here and here), there seems to be too much belief in what ocular regressions can tell one.

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Is the Dollar Near the Bottom (II)

Last week, I wrote a post examining what the measures of central tendency for the dollar’s trajectory were, based upon some standard forecasts. This week, I want to examine more closely whether we should anticipate more depreciation, in real terms, by way of discussing alternative measures of the dollar’s value.

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