As the agent in the principal-agent relationship, a construction agent may have information advantages to pursue income maximization, which may lead to moral hazards and reduce the efficiency of government investments. In alignment with the principal-agent theory of economics, this study recognized risk problems such as rent-seeking, sluggishness and conspiracy during the process of building government-based projects and analyzed relevant regulations regarding income and components of a construction agent in regards to the issued management methods of the agent-construction system. This study also analyzed the risk factors by establishing the construction agent's income patterns. Furthermore, this study provided corresponding measures to prevent moral hazards of construction agents.

From the economic perspective, China has made remarkable progress, yet environmental concerns represent an alarm to the country’s long-term prosperity. The associated relationship between green investment and the green economy has important implications for the environment. Whether there is an interactive relationship between green investment and green ecology, current views seem to be at odds with each other. This paper employs a panel vector autoregressive model to construct an empirical analysis of China’s provincial panel data from 2005 to 2019. Specifically, generalized moment estimation, impulse response function, variance decomposition, and other measurement methods were applied to study the interaction between green investment and green ecological development. The research results show the following: (1) the inertial development of the green investment system seriously restricts the progress of green investment levels, and the long-term development of green ecology has a significant self-reinforcing trend; (2) the two-way interaction between green investment and green ecology shows a positive spillover effect in the short term, but the positive effect gradually weakens in the long run; (3) the impact of green ecology on green investment is most significant in the interactive relationship, and the positive effect of green ecology on green investment in the western region is the most prominent. Therefore, the government should standardize green investment standards and use policy guidance to promote the regional transfer of green investment and green ecological resources. Financial institutions should appropriately lower the financing threshold for polluting enterprises and municipal construction and leverage more social funds to flow into long-term green technologies and green industries. Companies should raise awareness of environmental disclosure, ban outdated production capacity, and transition to cleaner production models to secure green funding.

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To explore the research breadth and depth of the design methods at specific layers in combination with emotional design and cultural creativity, the concept of emotional design was introduced, and the behavioral-layer design of creative cultural products was taken as the research object to deeply mine the user behaviors-related cultural creative design thoughts and techniques, and further form a creative cultural product design method from six aspects -behavior subtlety, behavior affordance, behavior integration into the scenario, interesting interaction, action imitation and pattern innovationand apply it to the practice.