Sunspot Fluctuations: A Way Out of the Development Trap?

Sunspot Fluctuations: a Way out of a Development Trap?

It is well known that in dynamic general equilibrium economic models equilibrium may be indeterminate. Indeterminacy means that there is a continuum of equilibrium trajectories converging to the same steady state. Very often, the same mechanisms that are responsible for indeterminacy, like increasing returns to scale or market imperfections, lead to existence of multiple steady states, and deve...

No Way out 1 the Timeless Trap

Analysis of Sunspot Number Fluctuations

Monthly averages of the sunspot number visible on the sun, observed from 1749, Zurich Observatory, and from 1848 other observatories, have been analyzed. This time signal presents a frequency power spectra with a clear 1/f behavior with α ≃ 0.8±0.2. The well known cycle of approximately 11 years, clearly present in the spectrum, does not produce a sensible distortion of that behavior. The event...

Welfare Implications of Sunspot Fluctuations

The usual conclusion in the literature is that sunspots reduce welfare because of the agents’ risk aversion. However, if sunspots can lead to escape from an inferior steady state (poverty trap), this conclusion does not necessarily hold. Escaping trajectories can have much higher welfare than those remaining in the poverty trap. The ex—post welfare effect can be positive for initial conditions ...

the impact of morphological awareness on the vocabulary development of the iranian efl students

this study investigated the impact of explicit instruction of morphemic analysis and synthesis on the vocabulary development of the students. the participants were 90 junior high school students divided into two experimental groups and one control group. morphological awareness techniques (analysis/synthesis) and conventional techniques were used to teach vocabulary in the experimental groups a...