Although the majority of the estimates are insignificant, the signs and magnitudes of the coefficients are similar to what the four-digit data produced.
Because of the unavailability of foreign direct investment data at four-digit industry level, this study could not incorporate this dimension of the problem.
This relationship holds at both the two- and four-digit levels but is particularly strong among four-digit industries.
References to other published work are indicated by superscripted numbers, most of them four-digit numbers since the total of such citations is 3728.
This result seems to suggest that simultaneous increases or decreases in creation and destruction occur more frequently within four-digit industries than within aggregate manufacturing itself.
In the present study, analyses are limited to d for the most difficult verbal condition (four-digit numbers).
Data at the lowest possible level of aggregation are used; this is usually the five-digit level, but, where this level does not exist, the four-digit level has been drawn upon.
From left to right, the plate has the vehicle class, hangeul prefix, and four-digit serial number.
