Technology has been evolving faster and faster and advertising on YouTube has become more and more important. Therefore, companies must adapt to the digital world and study their consumers. The present research aims to determine the influence of YouTube advertising on consumer behavior in students of a private university in Trujillo, Peru, 2021. For this purpose, a nonexperimental research design was followed, with a quantitative and applied approach. The instrument used was the questionnaire, composed of 32 questions that was applied to a sample of 245 students of a priva te university in the city of Trujillo, aged 17 to 25 years old. Consequently, it was obtained as a result that there is a significant relationship between YouTube advertising and consumer behavior in students of a private university in Trujillo, indicating that the more YouTube advertising, the better the consumer behavior. In conclusion, YouTube advertising significantly influences consumer behavior in students of a private university, Trujillo, 2021 by 19.9% , so it is recommended that companies that target a youth audience, implement more advertising on this platform, with strategies aimed at generating greater impact on consumer behavior.

The contribution of the oil activity is beneficial for an economy even more in the region where the activity takes place. Therefore, the purpose of this research work is to determine the impact of PETROPERU's contribution on the growth of the Piura Region. This research is of a non-experimental design, semistructured interviews and is reinforced with econometric models. The basis of this art is based on the theory of the hydrocarbon sector in Peru and economic growth. It was found that the contribution of PETROPERÚ, as an important pillar of the Modernization of theTalara Refinery, is more important in the growth of the Piura Region than at the level of Peru. In this sense, it is important to maintain that the contribution is not only economic, but also benefits socially in different ways, from providing jobs to helping to reduce diseases.

The research aims to determinate the influence of social networks on the customers' purchase decision of a peruvian pizzeria in the city of Trujillo, Peru, considering the increase in the use of these digital platforms today. The study considered a population subject to the study of 326 consumers registered in the company's database, of which 157 of them answered the survey. Besides, using instruments validated on Likert scale, the variables in question were measured, obtaining as main results that social networks influence the dimensions of recognition of the need, search for information and the process of evaluating alternatives in 50.6% , 37.7% and 35.3% respectively. At the same time, all theSpearman Rho tests to find the relationship became significant (p<0.01) and positive. Finally, this research concluded that socia l networks influence 45.8% in the customers' purchase decision of the peruvian pizzeria, after an R squared resulted in 0.458 within the coefficient of determination test.

The present research work aims to determine the relationship between consumer behavior and the purchase decision process in a clothing store in the Mall Aventura Plaza shopping center in Trujillo -2021, since there are many research studies that specify that it is of real importance for companies, because there a re internal and external factors that make consumers make the decision to buy in the store, but if this does not become effective, the bra nd recognition in the market would be lost. This research is of quantitative approach, type of research with applied purpose of transversal and non-experimental temporality with a correlatio na l research design, an infinite population since the size of consumers in the clothing store of the Mall Aventura Plaza shopping center in Trujillo is unknown and our population of 384 consumers of the store in the period of 2021. With this, it was obtained as a result tha t, if there is a correlation between the two variables of the thesis project, having as Spearman's Rho coefficient of 0.222** which is deduced that it has a direct relationship since it is a positive value, in additio n its significance value is (Sig.<0.05) of low grade. As a conclusion, it is recommended to take into account this direct relationship and in the same way to continue conducting market research from time to time since consumers are changing their opinions and perceptions over the years and thus obtain insight rich in information for our customers in order to benefit the company.

The general objective of the research work was to determine the relationship of gender equality with job satisfaction in the collaborators of the restaurant El Rancho de Jara Beef, Trujillo 2022, this because gender equality is important to promote a more just society and sustainable, as well as to improve the quality of life of people and the economy in general. Likewise, the work had a quantitative, basic approach, transversal temporality, correlational scope and non-experimental design. Regarding the sample, it was made up of 12 collaborators to whom a 22-item questionnaire was applied on the Likert scale. As a main conclusion, it is determined that there is a positive, high degree and statistically significant relationship between gender equity and job satisfaction in the collaborators of the El Rancho deJara Beef restaurant. Finally, future research is recommended to expand the study to sectors, using larger samples and controlling the results using other variables such as age, level of education, salary income, marital status, child ownership and social norms.