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In 30 years of commercial relations between Colombia and Peru within the framework of their different integration processes, this article aimed to analyze the Colombian companies that boost bilateral trade with Peru. The study reveals the companies and the main goods traded, the study was developed from the theoretical perspective of economic integration and the concept of South-South trade, through a predominantly quantitative method, with 300,692 data obtained from the interface of the National Statistical System (SEN) fed by the Tax and Customs Directorate Nationals (DIAN) during the last 5 years, 24,651 export operations and 18,305 import operations were obtained. Within the findings, the Colombian companies that export the most, those that import the most, and those with the highest volume of trade are categorized. The industry with the highest business participation is the hygiene and personal care sector, which ranks 5 companies out of the 10 with the highest commercial volume with significant exchanges in essential oils, chemical preparations, plastic, and paper manufactures. Regarding their size, it was found that 100% They are large multinational companies, with more than 50 years in the market. Of the 10 most representative companies: 2 are Colombian, 2 Peruvian, 4 American and 2 European. [ABSTRACT FROM AUTHOR]

Because electricity retailers must ensure that energy supply matches end-user demand, electricity that is not traded through bilateral contracts is typically traded in power exchanges which are subject to great price volatility. In Colombia, the spot price is a reflection of climate variability because approximately 70% of the country's electricity is generated by large hydropower stations. In this study, we forecast 2018′s prices and calculated its corresponding purchase margins using the 2015 to 2017 bilateral contract prices for electricity plus power exchange price information and climate information. Our forecasts included climate uncertainty and evaluated two multi-period portfolio methods for deciding among three purchasing strategies: bilateral contracts in the regulated market, bilateral contracts in the non-regulated markets, and purchases in the power exchange. The results indicate that retailers should follow a middle course that is neither conservative nor risky. Creation of portfolios independent of the multi-period method can balance purchases through bilateral contracts and in the power exchange in a way that considers climatic uncertainty. This type of balanced portfolio could control medium-term risks of price volatility and result in good levels of purchase margins. [ABSTRACT FROM AUTHOR]