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Full-Text Articles in Business

Do Security Analysts Learn From Their Colleagues?, Kenny Phua, T. Mandy Tham, Chi Shen Wei Oct 2017

Do Security Analysts Learn From Their Colleagues?, Kenny Phua, T. Mandy Tham, Chi Shen Wei

Research Collection Lee Kong Chian School Of Business

We examine how learning from colleagues affects security analyst forecast outcomes. We represent the brokerage house as an information network of analysts connected through industry overlaps in their coverage portfolios. Analysts who are more centrally connected in their brokerage network produce more accurate forecast estimates and generate more influential forecast revisions. Consistent with learning, more central analysts tend to unwind their colleagues’ recent forecast errors in their forecast revisions. Learning appears to benefit all colleagues, as working at more interconnected brokerages (i.e., denser networks) improves forecast accuracy for all analysts.


What Are Analysts Really Good At?, Ohad Kadan, Leonardo Madureira, Rong Wang, Tzachi. Zach Jan 2012

What Are Analysts Really Good At?, Ohad Kadan, Leonardo Madureira, Rong Wang, Tzachi. Zach

Research Collection Lee Kong Chian School Of Business

Sell-side analysts employ different benchmarks when defining their stock recommendations. Forexample, a ‘buy’ for some brokers means the stock is expected to outperform its peers in the same sector(“industry benchmarkers”), while for other brokers it means the stock is expected to outperform themarket (“market benchmarkers”), or just some absolute return (“total benchmarkers”). We use thesebenchmarks to analyze the role of stock picking, industry picking and market timing in contributing to theperformance of stock recommendations. We are able to do so given that different benchmarks suggest theuse of different sets of abilities. Analysis of the relation between analysts’ recommendations and theirlong-term …


The Essential Role Of Securities Regulation, Zohar Goshen, Gideon Parchomovsky Jan 2006

The Essential Role Of Securities Regulation, Zohar Goshen, Gideon Parchomovsky

All Faculty Scholarship

This Article posits that the essential role of securities regulation is to create a competitive market for sophisticated professional investors and analysts (information traders). The Article advances two related theses-one descriptive and the other normative. Descriptively, the Article demonstrates that securities regulation is specifically designed to facilitate and protect the work of information traders. Securities regulation may be divided into three broad categories: (i) disclosure duties; (ii) restrictions on fraud and manipulation; and (iii) restrictions on insider trading-each of which contributes to the creation of a vibrant market for information traders. Disclosure duties reduce information traders' costs of searching and …