This study analyzes the key success variables in a fintech´s business model. The data was obtained by questionnaire applied to fifteen Mexican fintech’s. Preliminary results show that variables, according significant correlation with firm´s growth, are: an efficient use of infrastructure, customer-oriented services, competitive wages and security information; more common type fintech operation ...

In this paper, we study the preliminary test method in a linear regression model. The Liu-type estimator is introduced when it suspected that parameter may be constraint to subspace. We also compare estimator, ridge and Liu mean squared error sense.

Objective: Premna integrifolia Linn (Family: Verbenaceae) synonym of Premna serratifolia has tremendous medicinal value. Preliminary pharmacological studies were performed on the methanolic extract of Premna integrifolia (MEPI) bark to investigate neuropharmacological, analgesic, and anti-inflammatory activities. Materials and methods: Neuropharmacology study was done by open field and hole cro...