Why does entrepreneurship decline as a nation’s population ages?  Minimum of

Why does entrepreneurship decline as a nation’s population ages? 

Minimum of 200 words, citing at least two outside sources (References in MLA/APA) by Thursday eve and post a response.

1) Demonstrates critical thinking, 2) relevant to the discussion topic, 3) includes 1-2 references /citations and 4) minimum length of 200 words,
Writing Proper grammar, spelling, and punctuation throughout the posts, with no typos.