Nearly all choices are made at the margin.  That means they almost always involve additions to, or subtractions from, current conditions, rather than all or nothing decisions…We don’t make all-or-nothing decisions, such as choosing between eating or wearing clothes…Instead we choose between having a little more food at the cost of a little less clothing. count the costs associated with our choices. Marginal Analysis: An Example . How does Tan build a central idea of her story in the excerpt? For reprint permissions, contact Thinking process plays an important role in decision making process because it allows you to judge each and every thing. And you know what?  I have never done the same thing with that card. Section 3: Production Possibility Curve B. One of these econ-speak terms is “marginal decision-making.” It’s an important element of how we choose, so let’s spend some time on it. Favorite Answer. A graph, shows alternative ways to use an economy’s productive resources. Value-focused thinking helps uncover hidden objectives and leads to more productive information collection. Often, but not always, for the worse. Drastically, in every domain. ... A Process of change. 10.How does thinking at the margin change the decision-making process? A margin impact analysis compares the existing state of profit margins with a future state after specific anticipated changes have occurred. Article and Author Information. His decision involved sticking to his principles rather than thinking at the margin.