scholarly journals Multiple paternity in Asclepias syriaca using a paired-fruit analysis

1995 ◽  
Vol 73 (8) ◽  
pp. 1212-1216 ◽  
Author(s):  
Julie J. Gold ◽  
Joel S. Shore
Keyword(s):  
Maximum Likelihood ◽  
Key Words ◽  
Multiple Paternity ◽  
Statistical Evidence ◽  
Likelihood Methods ◽  
Asclepias Syriaca ◽  
Maximum Likelihood Methods ◽  
Fruit Abortion ◽  
The Common ◽  
Common Milkweed Asclepias Syriaca

We investigated the extent of multiple paternity within and between fruits of the common milkweed, Asclepias syriaca, at one site. Using isozyme polymorphisms at four loci and the maximum likelihood methods of Williams and Evarts (1989), we found no statistical evidence for multiple paternity within fruits. When pairs of fruits obtained from individual ramets were analyzed in a similar manner, extensive multiple paternity was observed, indicating that fruits on the same ramet are sired by different paternal parents. This extensive multiple paternity between fruits provides considerable opportunity for maternal choice via selective fruit abortion. Key words: Asclepias, isozyme polymorphisms, multiple paternity, pollinia.

scholarly journals Selecting between causal and noncausal models with quantile autoregressions

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Alain Hecq ◽  
Li Sun
Keyword(s):  
Time Series ◽  
Maximum Likelihood ◽  
Latin American ◽  
Financial Time Series ◽  
Selection Criterion ◽  
Likelihood Methods ◽  
Approximate Maximum Likelihood ◽  
Financial Time ◽  
Maximum Likelihood Methods ◽  
Latin American Countries

AbstractWe propose a model selection criterion to detect purely causal from purely noncausal models in the framework of quantile autoregressions (QAR). We also present asymptotics for the i.i.d. case with regularly varying distributed innovations in QAR. This new modelling perspective is appealing for investigating the presence of bubbles in economic and financial time series, and is an alternative to approximate maximum likelihood methods. We illustrate our analysis using hyperinflation episodes of Latin American countries.

scholarly journals Pseudo Maximum Likelihood Methods: Theory

Econometrica ◽  
1984 ◽  
Vol 52 (3) ◽  
pp. 681 ◽  
Author(s):  
C. Gourieroux ◽  
A. Monfort ◽  
A. Trognon
Keyword(s):  
Maximum Likelihood ◽  
Likelihood Methods ◽  
Maximum Likelihood Methods ◽  
Pseudo Maximum Likelihood
Sign in / Sign up

Export Citation Format

Share Document