His research covers empirical topics, such as the market impact of maker-taker pricing, dark orders, and high frequency trading, and theoretical topics, such as herd behavior in financial markets and the impact of trading mechanisms. His work has been published or is forthcoming at, e.g., Econometrica, the Journal of Finance, or the Journal of Financial and Quantitative Analysis. He has received and has been an affiliate on a number of research grants, including from the ESRC, SSHRC and the GRI. Andreas is a Co-Director of the Master of Financial Economics program at University of Toronto, and he teaches courses on Market Microstructure, Trading, Asset Pricing, and Corporate Finance. Andreas currently works on a number of empirical research projects on Canadian equity markets, the results of which he has presented at major international academic conferences.