The evolving risks of the 21st century and their effective management.

Risk management institutions can be reinvented in the 21st century in response to the changing nature of economic uncertainties and changing information technology. The COVID-19 pandemic and its effects on the economy provide an example of new kinds of uncertainties to be managed. National and international contracts should manage risks to claims on better-defined economic aggregates and prices of factors of human capital to make for better economic measurements and better risk management opportunities.

Popular economic narratives advancing the longest U.S. expansion 2009-2019.

The U.S. economic expansion since 2009 is the longest on record since 1854, according to the National Bureau of Economic Research Business Cycle Dating Committee.

Concomitant endometrial adenoacanthoma and bilateral (inguinal) lymph node endometriotic adenoacanthomas or nodal metastases of the endometrial adenoacanthoma? A case report with a literature survey of the histogenetic aspects of endometriotic foci in pelvic lymph nodes.

This case report depicts an interesting association of well-differentiated adenocarcinoma of the endometrium with benign squamous metaplastic foci confined to the fundus uteri, superficially invading the myometrium and with concomitant bilateral pelvic lymph node endometriotic adenoacanthomas. Right inguinal lymphadenopathy was detected during the first hospitalization. A lymph node biopsy from the right groin, carried out at Nahariyya, revealed apparent metastatic adenoacanthoma regarded most probably as endometrial in origin.

The volatility of stock market prices.

If the volatility of stock market prices is to be understood in terms of the efficient markets hypothesis, then there should be evidence that true investment value changes through time sufficiently to justify the price changes. Three indicators of change in true investment value of the aggregate stock market in the United States from 1871 to 1986 are considered: changes in dividends, in real interest rates, and in a direct measure of intertemporal marginal rates of substitution. Although there are some ambiguities in interpreting the evidence, dividend changes appear to contribute very little toward justifying the observed historical volatility of stock prices.