Answer 1
Governments in particular have choices as to spending. If they're going to spend money on a project, the expectation is that there will be benefits to the community in terms of job creation and higher profitability for local businesses. When it comes to building travel and tourism facilities like a convention center, new visitors should be attracted who will spend money on hotels, restaurants, and local attractions that will add to the local economy. Being able to measure such an impact will tell a government whether the investment was wise or not. Private companies are not concerned about the total impact of an investment, only their own profitability.
Answer 2
At times, a destination's amenities can be packaged around a theme leading to interesting promotions that can be marketed to individuals, tour operators, and travel agents. Examples include themed historic celebrations, anniversaries, or agricultural festivals.
Female choice of males based on nuptial gifts.
Elements of Experimental Design.
The Elements of Cognition
The four identity statuses proposed by Marcia, based on Erikson's theory
Find derivative using product rule
The functional role of pRB. The pRB protein product of RB1