Yige's research focuses on tax law and policy, with a particular expertise in UK Value Added Tax. Her work is published in internationally leading UK journals, including the Legal Studies and British Tax Review. Her research on post-Brexit statutory interpretation was quoted in a UK Supreme Court judicial speech, while her analysis of UK VAT policy has featured in the British national broadsheet press.

Yige is regularly invited to speak at international fora across Europe, Australia, Africa, and Asia. Recent events include delivering a closing keynote address on UK VAT reform at the Institute of Chartered Accountants in England and Wales (ICAEW). Her current research examines the legal and policy challenges of reforming UK VAT in the post-Brexit landscape.