scholarly journals The pure effect of social preferences on regional location choices: The evolving dynamics of convergence to a steady state population distribution

2019 ◽  
Vol 59 (5) ◽  
pp. 883-909
Author(s):  
Oded Stark ◽  
Wiktor Budzinski ◽  
Grzegorz Kosiorowski
Keyword(s):  
Steady State ◽  
Social Preferences ◽  
Population Distribution ◽  
Location Choices ◽  
State Population ◽  
Regional Location

Optimal control of growth coefficient on a steady-state population model

2010 ◽  
Vol 11 (2) ◽  
pp. 688-704 ◽  
Author(s):  
W. Ding ◽  
H. Finotti ◽  
S. Lenhart ◽  
Y. Lou ◽  
Q. Ye
Keyword(s):  
Optimal Control ◽  
Steady State ◽  
Population Model ◽  
Growth Coefficient ◽  
State Population

scholarly journals A Note on Migration Perturbation and Convergence Rates to a Steady State

2020 ◽  
Vol 11 (4) ◽  
pp. 17-30
Author(s):  
Lawrence Edward Blume ◽  
Aleksandra Andreevna Lukina
Keyword(s):  
Steady State ◽  
Brain Drain ◽  
Population Model ◽  
Convergence Rates ◽  
Population Distribution ◽  
Upper Bounds ◽  
Lower And Upper Bounds ◽  
Distribution Vector ◽  
Time Required ◽  
The Brain

Using tools developed in the Markov chains literature, we study convergence times in the Leslie population model in the short and middle run. Assuming that the population is in a steady-state and reproduces itself period after period, we address the following question: how long will it take to get back to the steady-state if the population distribution vector was affected by some shock as, for instance, the “brain drain”? We provide lower and upper bounds for the time required to reach a given distance from the steady-state.

Constraints on the relative sizes of the cell populations in Hydra attenuata

1977 ◽  
Vol 24 (1) ◽  
pp. 31-50
Author(s):  
H.R. Bode ◽  
K.M. Flick ◽  
P.M. Bode
Keyword(s):  
Steady State ◽  
Population Size ◽  
Cell Populations ◽  
Relative Population ◽  
State Population ◽  
Average Population ◽  
Feeding Regimes ◽  
Population Sizes ◽  
Hydra Attenuata ◽  
Average Population Size

The steady-state relative population sizes of the several cell populations in Hydra attenuata were examined. In contrast to the constant average population size ratios between groups of animals, these ratios vary within limits between individual animals within a group. By maintaining animals on different feeding regimes (number of shrimp larvae ingested per day), the steady-state population size ratios were altered. The kinds of changes that occurred in these ratios suggest where controls may be operating to maintain the steady-state population sizes.

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