Goldman Sachs's new sector model suggests more defensive positioning as Wall Street prices in near-record optimism. It points to defensive sectors like utilities and healthcare, which have more ...

Sector BPI portfolios aim to match or outperform the S&P 500 while protecting capital, tracking five risk ratios. Portfolios are reviewed every 33 days to reduce luck-of-review-day problem, using ...

This paper proposes an overlapping generations multi-sector model of the labour market for developing countries with four heterogeneities—heterogeneity within self-employment, heterogeneity in job ...