RT Journal Article T1 Extension of the Wald statistic to models with dependent observations A1 Morales González, Domingo A1 Pardo Llorente, Leandro A1 Pardo Llorente, María del Carmen A1 Vadja, Igor AB A generalization of the Wald statistic for testing composite hypotheses is suggested for dependent data from exponential models which include Levy processes and diffusion fields. The generalized statistic is proved to be asymptotically chi-squared distributed under regular composite hypotheses. It is simpler and more easily available than the generalized likelihood ratio statistic. Simulations in an example where the latter statistic is available show that the generalized Wald test achieves higher average power than the generalized likelihood ratio test. PB Springer Heidelberg SN 0026-1335 YR 2000 FD 2000-12 LK https://hdl.handle.net/20.500.14352/57869 UL https://hdl.handle.net/20.500.14352/57869 LA eng NO DGES DS Docta Complutense RD 6 abr 2025