Comparable financial disclosure has well-known benefits but also unintended consequences. This study identifies one unintended consequence of managerial learning. For a large sample of Chinese companies, we find that investment-toprice sensitivity declines with financial statement comparability, indicating that comparability discourages managers from learning from prices. Consistent with the learning explanation, this negative relation is stronger for growth firms and for firms operating in more concentrated industries, where managers rely more on market prices for their investment decisions. We further find a decrease in firm value for these two groups of firms. Overall, we document a negative real effect of comparability.