With rising Research and Development (R&D) costs and increasing innovation pressure in the pharmaceutical industry, mergers and acquisitions (M&A) have become a major way for pharmaceutical companies to achieve strategic expansion. This paper takes Pfizer's 2022 acquisition of Biohaven as a case study to analyze the strategic motivations of M&A and its potential impact on corporate value. The paper employs case study and event study methods to examine market reactions before and after the acquisition, and evaluates the impact by analyzing changes in daily financial indicators before and after the acquisition. The results show that the cumulative abnormal return rate showed an upward trend after the acquisition announcement, indicating a positive market response. However, from a financial perspective, post-acquisition profitability indicators still fluctuated, suggesting uncertainty regarding the long-term development of the company. In conclusion, this acquisition has potential for resource integration and R&D synergy at the strategic level, but its value realization still requires observation of the subsequent cooperation effects.

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In the modern economic system, the profit-motive is seen as an important power that makes market efficiency and innovation. However, the boundedness and potential risk also trigger concern. The essay uses a method of literature review, complemented with economic theory and actual cases, discussing the function of profit-driven motive and their boundedness and analyzing the role of government and charity organizations in the modern economic system. The essay first illustrates the challenge of behavioral economics academia to the homo economicus assumption, and then uses cases such as the financial crisis and negative externality to indicate that a single profit-driven motive will cause systemic risk. Furthermore, the essay appreciates the positive function of the profit-motive in technological innovation, efficiency improvement, and creating shared value. The study also figures that relying on only the market or the government makes it difficult to examine the total development of society. The collaborative system among the market, the government, and the charity organization is more likely to strike a balance among efficiency, fairness, and social value. The article believes that through clarifying the divisions of different entities, a more stable and sustainable economic system can be built.

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This report presents a comprehensive systematic review of 15 international and domestic publications, analyzing the transmission mechanism through which macroeconomic factors affect electricity prices across five dimensions: primary energy price transmission, macroeconomic cycle linkages, financial market mechanism design, market structure and pricing rules, and policy regulatory frameworks. Key findings include: natural gas and crude oil prices are Granger-causal sources of industrial electricity price changes, with a transmission cycle of approximately one year; a significant long-term cointegrating relationship exists between electricity consumption and GDP; financial crises exert sustained impacts on electricity demand through FDI channels; financial derivatives such as electricity futures and financial transmission rights (FTR) play crucial roles in price stabilization and hedging; while market structure factors such as the abuse of market power and information asymmetry profoundly influence the formation of electricity prices and transmission efficiency. Based on a systematic analysis of the transmission mechanism, this report proposes policy recommendations for improving China's electricity price management system, aiming to provide theoretical support for deepening electricity market reforms.

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In the context of global competition, scientific salary management is a crucial factor for enterprises to attract talents, enhance efficiency, and achieve sustainable development. This study takes Company Y as the research object and employs questionnaire surveys and data analysis methods. It reveals that the company's salary system has problems such as poor internal fairness and insufficient performance incentives. Based on this, the study proposes optimization suggestions such as establishing a position value assessment salary structure and establishing a dynamic performance salary linkage mechanism, with the aim of providing references for the improvement of salary systems in Company Y and other enterprises in the same industry.

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