Statistics of Income from Returns of Net Income

MINOR INDUSTRIAL GROUPS

CHART FOR COMPARISON OF CLASSIFICATIONS FOR 1948 AND 1947

433

COMPARISON OF MINOR INDUSTRIAL GROUPS FOR 1948 AND 1947

For 1948, changes have been made in the contents of certain industry groups to conform, generally, with recent changes in the Standard Industrial Classification. On pages 438-450 there is presented a chart for comparison of the 1948 minor industrial groups in basic table 2 in this report with the 1947 minor industrial groups in basic table 2 in Statistics of Income for 1947, Part 2.

In Part I of the chart, pages 438-447, the 1947 minor industrial groups in the second column are arranged to show groups or combinations of groups which are equivalent to the 1948 minor industrial groups or combinations of groups in the first column, with the exception of the industrial activities referred to by designating numbers in the last two columns. These designating numbers refer to industrial activities which were shifted, by the industrial classification used for 1948, from one minor industrial group to another minor industrial group and for which tabulated data are not available for 1948 and 1947. The industrial activity, represented by each designating number, and the minor groups in which the activity is classified for 1948 and 1947 are shown in Part II of the chart, pages 448-450.

A horizontal dotted line in the first column of Part I of the chart, pages 438-447, indicates that there is no 1948 minor industrial group corresponding to a minor industrial group shown for 1947. A horizontal dotted line in the second column of Part I of the chart, pages 438-447, indicates that there was no 1947 minor industrial group corresponding to a minor industrial group shown for 1948.

The use of the chart on pages 438-450 may be illustrated as follows: The two minor industrial groups designated "Other apparel and accessories" and "Other fabricated textile products" are comparable with the 1947 minor industrial group designated "Other apparel and products made from fabrics" except that "Sponging or shrinking cloth for the trade," No. 10, which is included in "Other fabricated textile products" for 1948, is included in "Dyeing and finishing textiles, except woolen and worsted" for 1947; and "Chemically treated polishing cloths," No. 20, which is included in "Soap and glycerin, cleaning and polishing preparations, etc.," for 1948, is included in "Other apparel and products made from fabrics" for 1947.

Basic table 14 is the only table in this report which shows data for 1939 through 1948 by major industrial groups. Data for the years 1939-47 have been adjusted, wherever possible, to improve comparability with 1948.

In using the adjusted data shown in basic table 14, it must be remembered that, although this is the best comparison that can be presented over the years, the data are not always entirely comparable because certain industrial activities within minor industrial groups were tabulated in different industrial groups for 1948 than they were for 1947 or years prior to 1947. The industrial activities classified within minor industrial groups (data for which are not available for either 1948 or 1947) are indicated by designating numbers in the last two columns of Part I of the chart on pages 438-447 and are listed in Part II of the chart on pages 448-450.

Adjustments which have been made in major groups to improve comparability of data presented in basic table 14 for 1939-48 are as follows: