Can Argentina really move from the peso to the dollar? , and write an essay on the chosen topic. You may use any related articles or others' forum posts. However, you should reference the sources if you use them. In your essay, you need to show: A brief summary of the topic, An understanding of the economic concepts/theories for the essay topic by connecting the concepts/theories and the essay topic, and support your discussion with the relevant diagram(s) if applicable, Critical evaluations of the concepts/theories in any discussions