What are the admission requirements and recommendations for Bachelors in Economics and Mathematics at Harvard?

Yes, Princeton University is more affordable than Harvard University. Their tuition fees and living costs are very similar. However, Princeton offers several scholarships without any debt. At Harvard, students have to repay their scholarship funds at an interest rate. Princeton University scholarships also carry a better average financial package.

Both are considered very good options for an MBA. Harvard carries a better reputation for its Business education. It has a global brand and access to better resources. A Princeton University MBA is more focused on research and academics.  Though Harvard has its own business school, this is not true for Princeton.

Princeton is good for students interested in a career in tech. Harvard is better for those interested in Finance or Economics.

Princeton, Harvard, and Yale are considered the "Big 3". Their dominance in American College football being the reason. Also called "HYP", these 3 universities still remain rivals. Each of them have consistently ranked among the top 25 global universities for several years.

Harvard (#2) ranks above both Yale (#11) and Princeton (#12) in the latest global rankings given by Shiksha.

Both are very good but in different areas. Harvard has the better global reputation and stonger connections globally. NUS has better connections in Asia, similar quality of placements, and is far more affordable than Harvard University. In terms of culture, there is greater diversity at Harvard, compared to NUS. Students have better chances of admission at the National University of Singapore, as Harvard's acceptance rate is just 3.6%. 

As per the rankings released by ARWU, for all the past three years, MIT is ranked lower than Harvard University. However, both of these universities are considered really good and their popularity is increasing with each passing year. The acceptance rate for them is also low.

Given below is the ARWU ranking comparison for these two universities, take a look -