A test for a regime shift

被引:25
作者
Solow, AR [1 ]
Beet, AR [1 ]
机构
[1] Woods Hole Oceanog Inst, Marine Policy Ctr, Woods Hole, MA 02543 USA
关键词
bootstrap; North Sea; regime shift; vector autoregressive process;
D O I
10.1111/j.1365-2419.2005.00329.x
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
摘要
This note describes a formal statistical approach to testing for a regime shift based on population time series for a system of interacting species or groups. Under this approach, a regime shift is said to occur if the system switches abruptly from varying around one locally stable steady state to varying around another. This allows the problem to be formulated as testing for a changepoint in a vector autoregressive process. The test is illustrated using data from the North Sea covering the period 1963-97.
引用
收藏
页码:236 / 240
页数:5
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