Banana passion fruit production in Colombia contributes to the development of the country’s economy as it generates income and provides raw material for the agro-based industries. Profitability is a key aspect of economic efficiency and plays an important role in farmer´s decision-making therefore; the purpose of the study was to determine the different factors affecting the economic profitability of banana passion fruit production. A descriptive, quantitative, correlational and non-experimental design was selected and a regression analysis was performed. Results showed that the stationarity, normality, homoscedasticity and non-autocorrelation assumptions were not violated; all estimated coefficients were statistically significant and consistent with hypothesized sign. As such, the independent variables contributed to explain individually banana passion fruit economic profitability.
La producción de mora de castilla en Colombia contribuye al producto interno bruto, al empleo y al bienestar social de los agricultores del país. Es considerado de gran importancia económica una vez que los frutos de la mora son utilizados como materia prima para la agroindustria. De esta manera, la inestabilidad de la producción afecta la rentabilidad económica de los agricultores; por lo tanto, el pronóstico de la producción de mora posee un importante papel en la asignación de recursos y la toma de decisiones de los agricultores. Por lo tanto, el propósito del estudio fue modelar y pronosticar la producción de mora en Colombia utilizando un enfoque ARIMA de Box Jenkins para el período 1992-2023. Se seleccionó una investigación tipo cuantitativa, no experimental, correlacional y descriptiva. Se evaluó la adecuación del modelo y su capacidad predictiva mediante la verificación de los diferentes criterios de bondad de ajuste. Los resultados mostraron que ARIMA (1,1,0) fue el modelo más adecuado una vez que capturó el comportamiento de la serie temporal actual. Con base en los valores pronosticados se espera un aumento de 5,47% en la producción de mora para el período 2021-2023 lo que mejorará los ingresos de los agricultores y contribuirá, así a la reducción de la pobreza en el campo.
Chicken meat production is one of the fastest growing industries in Colombia with an average per person consumption of 35.6 kg. Due to the increase in demand and to the growing importance of the chicken meat production to the Colombian economy the objective of the study was to estimate the demand and supply response and the short run elasticities for chicken meat using a two-stage least squares technique for simultaneous equations. Results indicated that chicken meat demand was responsive to changes in own and beef prices as well as income. The direction of the independent variables were as expected, with the exception of pork prices. The response of chicken meat supply to own-price changes was found to be inelastic in the short run. Chicken feed and the exchange rate elasticities did not present a great impact on the percentage changes of the quantity offered of chicken meat. The proposed model can be useful for producers, chicken meat companies managers and policymakers as understanding the factors that affect the chicken market can lead to optimal managerial and financial decisions
El impacto de la pandemia del virus SARS-CoV-2 ha generado un cambio en la atención médica de diversas enfermedades en muchos centros de salud. Los errores innatos del metabolismo (EIM) constituyen enfermedades genéticas que implican un compromiso crónico, con necesidad de seguimientos continuos y aplicación de tratamientos de alta complejidad. Además, se ha sugerido que estas patologías podrían constituir un factor de riesgo para el desarrollo de complicaciones ante la infección por SARS-CoV-2. Con el propósito de identificar cómo la pandemia ha afectado a la población con EIM, se analizaron 17 artículos en donde se evidencian los efectos que ha generado este virus en la salud, el tratamiento, la atención médica y el estilo de vida de pacientes con EIM. Los resultados aportan una visión del conocimiento de la situación de este grupo de pacientes observando que, contrario a lo esperado, hay una perspectiva positiva en términos del comportamiento de las enfermedades en poblaciones con EIM, aunque se evidenciaron algunos inconvenientes en la atención médica. Se resalta la importancia de analizar y divulgar la evidencia disponible para aportar información que contribuya al mejoramiento de la atención y asesoría de pacientes atendiendo a realidades y necesidades específicas.
The present study aims to investigate the relationship between potato output supply and potato and fertilizer prices in Colombia using 2003-2018 time series data. Johansen’s cointegration and the vector error correction framework were employed, and Granger and diagnostic tests were performed. The empirical results show a strong causal relationship between the variables and that the signs and the magnitude of coefficients are statistically significant. Potato and fertilizer prices are inelastic, and the speed adjustment coefficient of 70 % implies that it takes a short time for farmers to respond to price movements. It can be concluded that own-price and fertilizer prices are significant in determining output supply responsiveness in both the short and long run.
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