Economies of scale, in microeconomics, refers to the cost advantages that a business obtains due to expansion. There are factors that cause a producer’s average cost per unit to fall as the scale of output is increased. "Economies of scale" is a long run concept and refers to reductions in unit cost as the size of a facility and the usage levels of other inputs increase. (Wikipedia)
See this Rambam, Ishus 18:4
ד] ברכת הבית, מרובה. כיצד: חמישה שהיה מזונות כל אחד מהן קב, כשיאכל לבדו, אם היו חמשתן בבית אחד ואוכלין בעירוב, מספיק להן ארבעת קבין; והוא הדין, לשאר צורכי הבית. לפיכך אלמנה שאמרה, איני זזה מבית אבי, פסקו לי מזונות, ותנו לי שם--יכולין היורשין לומר לה, אם את אצלנו, יש לך מזונות, ואם לאו, אין אנו נותנים לך אלא כפי ברכת הבית. ואם הייתה טוענת, מפני שהיא ילדה, והם ילדים--נותנין לה מזונות המספיקין לה לבדה, והיא בבית אביה. ומותר מזונות האלמנה ומותר הכסות, ליורשין.
Monday, November 29, 2010
Monday, November 22, 2010
Sunday, November 14, 2010
Surrogate Pregnancy Clarification
Relating to this post, in Parshas Vayeitzei.
When some rishonim mention that the fetuses of Yosef and Dina were switched, the outcome is that the surrogate mother is the mother. According to those who use this midrash to explain that Shimon married Dina, they would have to hold that on some level the surrogate mother is the mother - because Yosef is the son of Rachel and Dina is the daughter of Leah - but they'd also have to hold that for some things the genetic mother is the mother, otherwise, Shimon and Dina would be full siblings and not have been allowed to marry.
When some rishonim mention that the fetuses of Yosef and Dina were switched, the outcome is that the surrogate mother is the mother. According to those who use this midrash to explain that Shimon married Dina, they would have to hold that on some level the surrogate mother is the mother - because Yosef is the son of Rachel and Dina is the daughter of Leah - but they'd also have to hold that for some things the genetic mother is the mother, otherwise, Shimon and Dina would be full siblings and not have been allowed to marry.
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