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Full-Text Articles in Life Sciences

Palynology And Paleoclimatology Of The Chicxulub Impact Crater In The Early Paleogene, Vann Smith Aug 2021

Palynology And Paleoclimatology Of The Chicxulub Impact Crater In The Early Paleogene, Vann Smith

LSU Doctoral Dissertations

At the end of the Cretaceous Period, a large bolide impacted the Earth and formed the Chicxulub impact crater in the Yucatán Peninsula, Mexico. In 2016, International Ocean Discovery Program (IODP) Expedition 364 Site M0077 drilled into the buried peak ring of the crater, recovering a marine Paleocene to early Eocene post-impact section deposited on top of the impact breccia. Palynological analysis of 195 samples from the post-impact section has yielded the first pre-Holocene vegetational record from inside the Chicxulub impact crater and the first palynological record of the recovery of life following the end-Cretaceous mass extinction from inside the …


Examining The Relationship Between The Exchange Rate, Foreign Direct Investment And Trade, Shanta Parajuli Jan 2012

Examining The Relationship Between The Exchange Rate, Foreign Direct Investment And Trade, Shanta Parajuli

LSU Doctoral Dissertations

Extensive research has been carried out on the relationships among foreign direct investment (FDI), exports, the exchange rate, and economic growth. However, these research findings are mixed and inconclusive. Therefore, further research and discussion are needed on this topic. This study focused on Mexico, since it is one of the major FDI recipient countries in Latin America and much of its trade is a result of its free trade agreements. This study examines the relationship between FDI, exports, and economic growth in the context of FDI from developed to developing countries (Mexico). The second chapter analyzes the relationship of FDI …


Economics Of U.S. Government Debt Accumulation, Carlos Ignacio Garcia Jimenez Jan 2011

Economics Of U.S. Government Debt Accumulation, Carlos Ignacio Garcia Jimenez

LSU Doctoral Dissertations

The United States of America is an indebted nation in the early years of the new millennium, changing from $469 billion in 1973 to $14 trillion in 2010, as spending is justified on the basis that it promotes GDP growth which in turn increases societal benefits. Despite the benefits of debt, its effectiveness and the transmission mechanisms of fiscal policy are still on debate. Consequently, the economic effects of U.S. government debt accumulation are studied in three empirical research articles.

The dissertation is composed of five chapters. The first chapter is an introduction wherein the problem statement, the purpose, objectives …