Social Improvement Economy Cost

Our business society had developed long time from farming period to manufacturing period, then to service industry period, till to nowadays technology service and manufacturing period. It brings this question: Can technology or human behavior may influence economic development? Human ourselves foolish or enjoyment behavior whether which can bring economic recession? If human can forgive to do enjoyment behavior, we can help economic growth? Why do our social improvement need to spend more expenditure? I shall apply behavioral economic theory to indicate cases to attempt to explain whether our social improvement may bring what economy cost to let readers can understand.