Wednesday, March 18, 2020
Gold Price In The Us Essays - Precious Metals, Gold, Inflation
Gold Price In The Us Essays - Precious Metals, Gold, Inflation    Gold Price In The Us      The largest demand for gold is in jewelry and investments. Gold is known as a  metal that is easily used and has many industrial applications. Since gold is so durable and  luxurious, many people invest in jewelry, stocks, and gold bonds. Considering the fact that  gold is considered a world-wide valuable good, many economies have gold reserves to  help protect themselves in times of need. Nevertheless, factors of supply and demand have  contributed to the decrease of the price of gold, which has reached an all time low since  1978. This reduction has raised many concerns in the United States having them weigh the  different factors of the price, supply and demand, and consumption that may be affecting  the price change.  The price change commands attention since gold serves to indicate price stability  or inflation. Although, inflation is not as threatening in the United States because it is  more industrialized, the bigger fear is facing deflation with our countries gold currency.  Gold averaged 294 dollars per ounce in 1998, when at one time the prices were in the mid  $400-500 per ounce. Due to fact that gold prices have been so low, Central Banks have  threatened to sell their gold inventories fearing that gold is no longer considered the  ultimate store of value. Regardless, prices have continued to fluctuate in both directions  throughout the year, but it is important to weigh the different variables that are having an  effect on the price.  There are different factors associated with the supply and demand which have  caused prices to decrease. First of all, the record low prices in the past year has caused  investors to participate less causing prices to be determined largely on golds own supply  and demand fundamentals and the economic environment. The supply of gold declined by  less than 2% during 1998. The price reduction started to impact the mine production by  slowing the rate of manufacture growth by the end of 1998. When prices began to  weaken, this caused many mines to shut down, leaving low grade ore in the ground. This  alone is effecting the mine output and the cost to produce more gold.  On the other hand, the sales of gold jewelry are increasing at a record pace, since  the economy is strong, there are low gold prices, rising consumption rates, the emergence  of new discount chains, television shopping, and electronic chains (Haubrich, Joseph). The  growing demand for gold jewelry helped push gold usage in the United Sates to a first  time report of 428.4 metric tons in 1998, which is an 18% increase. Since consumption  has been driven in the United States, our economy is expanding and consumers are   spending more. During the past year, according to the JCK national poll, over 150  independent jewelers support the figures. They found that two-thirds of respondents  (68%) said they had a sales increase over the past year, while the other two out of five  (38%) claimed to have sales gains of 20% or more. Over all, the immediate gain for  jewelry retail due to the lower prices was a 15 % increase.   Using the statistics from the Commodity Price Index, for the last 12 months in  1998, it is evident that the second half of the years prices fluctuated. In the first part of  1998, the gold price ranged from $295.90 - 297.49, although it peaked in April reaching  to $308.40, which was the highest for the year. The price increase was due to higher  demand of consumers and the expansion in investments during that time period, in spite of  the fact, prices did not continue to remain as high for the remainder of the year. In fact,  the following month of May, dropped another $9.01, having the rate of gold at $299.39.  As for the second half of the year, prices still dropped but managed to stay in the low  $290s making retailers prosperous.   Regardless consumers were happy with the lower prices, many investors and  miners have been struggling to feel the same towards the lower rate. Stocks have lost over  90% percent of their investments in gold and have many investors wondering if the value  of gold is depreciating. Miners too, are worried about the lower prices considering they  have been the major producers of gold in the past and in future markets. The idea that  central banks have discussed to sell partial amounts of their gold reserves has investors  worried with hopes that demand will not continue to decrease.  When evaluating    
Sunday, March 1, 2020
Using Shelve to Save Objects in Python
Using Shelve to Save Objects in Python          Shelve is aà  powerful Python module for object persistence. When you shelve an object, you must assign a key by which the object value is known. In this way, the shelve file becomes a database of stored values, any of which can be accessed at any time.          Sample Code for Shelve in Python      To shelve an object,à  first import the module and then assign the object value as follows:          import shelve  database  shelve.open(filename.suffix)  object  Object()  database[key]  object          If youà  want to keep a database of stocks, for example, you could adapt the following code:          import shelve  stockvalues_db  shelve.open(stockvalues.db)  object_ibm  Values.ibm()  stockvalues_db[ibm]  object_ibm  object_vmw  Values.vmw()  stockvalues_db[vmw]  object_vmw  object_db  Values.db()  stockvalues_db[db]  object_db          A stock values.db is already opened, you dontà  need to open it again. Rather, you can open multiple databases at a time, write to each at will, and leave Python to close them when the program terminates. You could, for example, keep a separate database of names for each symbol, appending the following to the preceding code:          ## assuming shelve is already imported  stocknames_db  shelve.open(stocknames.db)  objectname_ibm  Names.ibm()  stocknames_db[ibm]  objectname_ibm  objectname_vmw  Names.vmw()  stocknames_db[vmw]  objectname_vmw  objectname_db  Names.db()  stocknames_db[db]  objectname_db          Note that any change in the name or suffix of the database file constitutes a different file and, therefore, a different database.         The result is a second database file containing the given values. Unlike most files written in self-styled formats, shelved databases are saved in binary form.         After the data is written to the file, it can be recalled at any time. If you want to restore the data in a later session, you re-open the file. If it is the same session, simply recall the value; shelve database files are opened in read-write mode. The following is the basic syntax for achieving this:          import shelve  database  shelve.open(filename.suffix)  object  database[key]          So a sample from theà  preceding example would read:          import shelve  stockname_file  shelve.open(stocknames.db)  stockname_ibm  stockname_file[ibm]  stockname_db  stockname_file[db]           Considerations With Shelve      It isà  important to note that the database remains open until you close it (or until the program terminates). Therefore, if you are writing a program of any size, you want to close the database after working with it. Otherwise, the entire database (not just the value you want) sits in memory and consumes computing resources.         To close a shelve file, use the following syntax:          database.close()          If all of the code examples above were incorporated into one program, we would have two database files open and consuming memoryà  at this point. So, after having read the stock names in the previous example, you could then close each database in turn as follows:          stockvalues_db.close()  stocknames_db.close()  stockname_file.close()    
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