2" INDEX
preponderance of, excess, over nonimmigrants, 3
in certain occupations, 38-39 ratio to total departing aliens, 141t
in emigration, 40t Nonimmigrants
in immigration, 37-39 definition, 30, 137
Manufacturing, workers, per cent foreign- fluctuations, 139¢, 140t
born, 47 male, seasonal fluctuations, 215-216
Massachusetts, factory employment, 67, ratio to total arriving aliens, 138t
70-72 South Italian, seasonal fluctuations, 215-Methods
 216
analysis, 90-91, 155 Qucupntions
charting, 95-100 . os
; : : : effect on seasonal variation,
construction of indexes of industrial . Bi
emigrants, 218-219
conditions, 172-173 a
; A immigrants, 215-217
correction for seasonal variation, 211 LT
on g . immigrants, generally, 45-48
Mexico, immigration from, 41
: : a : changes, 47-48t 1
Migration (see also Emigration and Immirn)
 (see also Cycles)
: SLi Ogb y. I, a7
Committee on Scientific Problems of, 5 |, 2 urn, MY an
. 0 Old” immigration, 159¢, 162-164
maladjustment theory, 27 ;
; ! ; percentage of total, 41-42
modern, contrast with earlier migra- ; :
: sources, 42n
tions, 23
motives for, economic, 77 Passage money, 77, 153
safety-valve theory, 26 Periods selected for study, 78
significant features, 29-53 Permanent immigration, 31
statistics, source, 29 Persons, Warren M., 103, 177
Mining, workers, percent foreign-born, Pig iron production
47 annual statistics, 60t, 63t
Mitchell, Wesley C., foreword, 5; 205 compared with
immigration from Germany, 190-193
National Bureau of Economic Research immigration from Italy, 199-204
business cycles, reports on, 6 male immigration, 93-94
directors, contribution to report, 9 migration ratio, 104¢, 105%
National Research Council, requested this total immigration, 83-85
investigation, 5 Germany, 190-193
Net (see also Immigration) seasonal variation, correction for, 75
alien arrivals, by months, (see also Cycles)
both sexes, 106¢t Poland, emigration to, after the War, 30,
cumulative, 114¢, 115t 125
males, 106¢, 107t Political conditions, influence of, 8-9, 77,
cumulative, 118t, 119t 123-125, 130, 151-152, 154, 164-165, 206
compared with changesin number em- Population, relative to immigration, 48-51
ployed, 231-236 Prices, wholesale, 83
“New” immigration, 160c, 162-164 correlation with immigration, 102
percentage of total, 41-42 index, 60t
sources, 42n Problem, statement of, 8, 26
New Jersey, factory employment, 67, 73t Prosperity (See Cycles and Economic Con-New
 York, factory employment, 68, 70t tions)
Nonemigrants Pull, dominance of, 153, 155, 169-170, 181-compared
 with emigrants, 142-144 182, 185, 193, 195, 197, 203, 205, 206, 208

“Ra