Results 201 to 210 of about 288,721 (267)

Population Movements and Investment (II)

The Journal of Finance, 1951
UP TO THIS POINT we have been considering the growth of population in the United States, but have not discussed its redistribution. For some parts of the country are growing while others are declining in population. Let us first review the main trends with respect to redistribution as revealed by the decennial census taken last year.
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Movements of Population

American Journal of Sociology, 1935
The effects of the depression on births and deaths are not very clearly marked. The number of births declined less in the five years 1929-34 than in the five years 1924-29. This was scarcely to be expected. Deaths show a steady decline during the depression until 1934, the lowest recorded rate we have ever had being in 1933.
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Populations, Patchiness, and Movement

2019
This chapter describes how population sizes change. Understanding the dynamics of populations involves studying the key demographic processes of birth, death, immigration, and emigration. Much of twentieth-century population ecology concentrated on explaining population dynamics of closed populations, using the effects of density on births and deaths ...
Francis Gilbert, Hilary Gilbert
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Population Activity in the Control of Movement

1994
This chapter discusses the key observations and concepts concerned with the role of neuronal populations in the specification and control of the direction of movement and isometric force. The chapter investigates the neural mechanisms of spatially directed motor output, including reaching movements and isometric forces exerted by the arm, and focuses ...
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