Dissertations / PHD in Markeing (research in consumer buying behavior toward financial product) [4]

"Consumer Buying decision" or "CTV Market Shifting to LCD/LEDs" - Ph D Topic Help

Hello

I am planning to Move to Teaching Profession & to run for Ph D also in coming future.

I had something in mind regarding the PhD topic, will need some help from you ppl to suggest/advice for the same.

"Factors influencing Consumer Buying decision to choose LCD Tv"
"CTV Market Shifting to LCD/LEDs"

Regards
SUnil