By Hyunjoo Jin and Akash Sriram (Reuters) – Tesla Inc’s aggressive price cuts have created a wave of demand for its electric vehicles, Chief Executive Elon Musk said on Wednesday, addressing concerns that a weak economy would throttle buyers’ interest. The company beat Wall Street targets for fourth-quarter revenue and profit earlier on Wednesday despite a sharp decline in vehicle profit margins, and it sought to reassure investors that it can cut costs and continue to generate cash as competition intensifies in the year ahead. Aggressive price cuts this month have positioned Tesla as the init…